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Imagine a new planet having the same density as that of the earth but it is 3
times bigger than the earth in size. If
the acceleration due to gravity on the
surface of the earth is \( g \) and that on the
new planet is \( g^{\prime} \), then what is the value of \( \frac{\boldsymbol{g}^{\prime}}{\boldsymbol{g}} \)
| 3 |
Physics
|
The vector equation \( \boldsymbol{r}=\boldsymbol{i}-\boldsymbol{2} \boldsymbol{j}-\boldsymbol{k}+ \)
\( t(6 j-k) \) represents a straight line
passing through the points:
A. (0,6,-1) and (1,-2,-1)
в. (0,6,-1) and (-1,-4,-2)
c. (1,-2,-1) and (1,4,-2)
D. (1,-2,-1) and (0,-6,1)
| 2 |
Maths
|
Fluorine does not show positive
oxidation states because:
A. it is most electronegative element
B. it forms only anions in ionic compounds
C. it cannot form multiple bonds
D. it shows non-bonded electron pair repulsion due to small size.
| 1 |
Chemistry
|
Draw a neat and labelled diagram of
suspended coil type moving coil galvanometer.
| 3 |
Physics
|
A broad source of light \( (1=680 \mathrm{nm}) \) illuminates normally two glass plates \( 120 \mathrm{mm} \) long that touch at end and are separated by a wire \( 0.048 \mathrm{mm} \) in diameter at the other end. The total
number of bright fringes that appear over the \( 120 \mathrm{mm} \) distance is:
A . 50
B. 100
\( c \cdot 141 \)
D. 400
| 3 |
Physics
|
\( \int \frac{\left(x^{3}+3\right)(x-2)}{\left(x^{2}-4 x+4\right)} d x \)
| 2 |
Maths
|
Aluminium foil used for wrapping:
A. food
B. clothes
c. plastic
D. wires
| 1 |
Chemistry
|
Discuss the utility of systematics?
| 0 |
Biology
|
Sum to infinite terms the following series:
\( \mathbf{1}+\mathbf{5} \boldsymbol{x}^{2}+\mathbf{9} \boldsymbol{x}^{4}+\mathbf{1} \mathbf{3} \boldsymbol{x}^{\mathbf{6}}+\ldots .,|\boldsymbol{x}|<\mathbf{1} \)
| 2 |
Maths
|
Solve:
\( \int \frac{\cos x}{6+4 \sin x-\cos ^{2} x} d x \)
| 2 |
Maths
|
Stolonic budding is a characteristic of
A. Porifera and cnidaria
B. Scyphistoma cnidarians and porifera
C. Porifera and tunicates
D. Scyphistoma cnidarians and tunicates
| 0 |
Biology
|
A solid iron ball A of radius \( r \) collids
head on with another stationary solid iron ball \( B \) of radius \( 2 r . \) The ratio of
their speeds just after the collision \( (e=0.5) \) is:
A . 3
B. 4
\( c \cdot 2 \)
D.
| 3 |
Physics
|
The second law of thermodynamics
says that in a cyclic process
A. Work cannot be converted into heat
B. Heat cannot be converted into work
C. Work cannot be completely converted into heat
D. Heat cannot be completely converted into work
| 3 |
Physics
|
If \( n>0, \) prove that \( 2^{n}>1+n \sqrt{2^{n-1}} \)
| 2 |
Maths
|
Write about ocean thermal energy.
| 3 |
Physics
|
The amino acid containing mercaptan
unit is:
A. leucine
B. glutamine
c. cysteine
D. Iysine
E. isoleucine
| 1 |
Chemistry
|
A current of \( I \) ampere flows through a resistance \( R \) when connected across a
cell of emf \( E \) and internal resistance \( 1 \Omega \)
When \( R \) is increased by \( 50 \% \), the
current through the circuit is \( 0.8 A . \) The
value of \( \boldsymbol{R} \) is :
A . \( 1 \Omega \)
B. \( 1.5 \Omega \)
\( c .2 \Omega \)
D. 4\Omega
| 3 |
Physics
|
Whenever an object moves with a constant speed, its distance - time
graph is a
A. Parabola
B. Straight line, perpendicular to the time axis
c. straight line, parallel to the time axis
D. Straight line passing through origin
| 3 |
Physics
|
Graphite is used in making electrodes because :
A. It has high melting point
B. It a soft and slippery
c. It is a good conductor of electricity
D. none of these
| 1 |
Chemistry
|
Diamond and boron are soft non-metals.
A. True
B. False
| 1 |
Chemistry
|
Color of the four strips of carbon
resistor are respectively orange, green golden, silver. Then its resistance is :
\( \mathbf{A} \cdot 2.5 \pm 10 \% \) ohm
B. \( 3.5 \pm 5 \% \) ohm
c. \( 3.5 \pm 10 \% \) ohm
\( \mathbf{D} \cdot 350 \pm 10 \% \) ohm
| 3 |
Physics
|
The statements given below represent
the characteristics of nitrates of
different metals
(a) Nitrate of sodium liberates brown
coloured gas on strong heating.
(b) Nitrate of calcium liberates a pair of colourless gases on strong heating.
(c) Metallic silver can be obtained from
its nitrate on strong heating.
(d) Nitrate of potassium gives a solid product and a colourless gas on strong heating.
Which of the following options is
correct?
A. a and
B. c and d
c. only d
D. only b
| 1 |
Chemistry
|
One mole of diatomic ideal gas
undergoes a cyclic process \( A B C \) as shown in figure. The process BC is adiabatic. The temperatures at \( A, B \) and
\( \mathrm{C} \) are \( 400 K, 800 K \) and \( 600 K \)
respectively. Choose the correct
statement:
A. The change in internal energy in the process AB is \( -350 R \)
B. The change in internal energy in the process BC is \( -500 R \)
c. The change in internal energy in whole cyclin process is \( 250 R \)
D. The change in internal energy in the process CA is \( 700 R \)
| 1 |
Chemistry
|
If the percentage error in the edge of a cube is \( 1, \) then error in its volume is
A. \( 1 \% \)
B. 2\%
\( c .3 \% \)
D. none of these
| 2 |
Maths
|
Pitch is \( _{-}-_{-}-_{-}-_{-}-_{-} \) as frequency. Fill in the blank.
A. Same
B. Not the same
c. sometime same sometime different
D. All
| 3 |
Physics
|
Alkali metals dissolve in liquid \( N H_{3} \) then which of the following observation(s) is/are true?
A . \( H_{2} \) gas is liberated
B. Solution is blue due to the presence of solvated electrons
c. solution is conducting
D. All of the above
| 1 |
Chemistry
|
Which of the following bone structures protect the lungs in our body?
A. Rib cage
B. Skull
c. vertebral column
D. All of the above
| 0 |
Biology
|
Two infinitely long parallel plates of equal areas \( 6 \mathrm{cm}^{2} \) are separated by a distance of \( 1 \mathrm{cm} . \) While one of the plates has a charge of \( +10 n C \) and the other
has \( -10 n C . \) The magnitude of the
electric field between the plates, if \( \varepsilon_{0}= \) \( \frac{10^{-9}}{36 \pi} F / m \) is?
A. \( 0.6 \pi V / m \)
в. \( 6 \pi k V / m \)
c. \( 600 \pi k V / m \)
D. \( 60 \pi V / m \)
E . \( 6 \pi \)
| 3 |
Physics
|
Assertion: gases are characterised with
two coefficients of expansion
Reason: when heated both volume and
pressure increase with the rise in
temperature
A. Both assertion (A) and reason (R) are correct and \( \mathrm{R} \) gives the correct explanation
B. Both assertion (A) and reason (R) are correct but R doesnt give the correct explanation
c. \( A \) is true but \( R \) is false
D. A is false but R is true
| 3 |
Physics
|
If there is no rotation of plane-polarized light by a compound in a specific solvent, thought to be chiral, it may
mean that:
A. the compound may be a racemic mixture
B. the compound is certainly a chiral
c. the compound is certainly meso
D. there is no compound in the solvent
| 1 |
Chemistry
|
A ray of light takes grazing incidence on the first face of a prism and the
emergent ray is normal to the \( 2^{n d} \) face
of the prism. If \( \mathrm{D} \) is angle of deviation then the refracting angle of the prism is equal to
A \( \cdot 90^{\circ}-2 D \)
B. \( 90^{\circ}-D \)
c. \( 90^{\circ}-\frac{D}{2} \)
D. \( 180^{\circ}-2 D \)
| 3 |
Physics
|
The alternative name of glyptal is:
A. alkyl resin
B. phenol - formaldehyde resin
C. melamine- formaldehyde resin
D. melmac
| 1 |
Chemistry
|
Give the structural formula for 2 -methyl
propane.
| 1 |
Chemistry
|
A jeweller kept a diamond of mass \( 5.42 g m \) inside a box of mass \( .12 k g \) Find the combined mass of diamond
and box upto appropriate significant figures.
| 3 |
Physics
|
Solve: \( (x+y)^{2}+(x-y)^{2} \)
A \( \cdot 2 x^{2} \)
B.
c. \( 2 x^{2}+2 y^{2} \)
D. \( 2 y^{2} \)
| 2 |
Maths
|
Write the differential equation
representing the family of curves \( \boldsymbol{y}= \)
\( m x, \) where \( m \) is an arbitrary constant.
| 2 |
Maths
|
Assertion
Both \( \boldsymbol{H}_{3} \boldsymbol{P} \boldsymbol{O}_{3} \) and \( \boldsymbol{H}_{3} \boldsymbol{P} \boldsymbol{O}_{4} \) have the same
number of hydrogen atoms but \( \boldsymbol{H}_{3} \boldsymbol{P} \boldsymbol{O}_{4} \)
is a tribasic acid and \( H_{3} P O_{3} \) is a
dibasic acid
Reason
mole of \( H_{3} P O_{3} \) is neutralised by 2
moles of \( N a O H \) while 1 mole of \( H_{3} P O_{4} \)
is neutralised by 3 moles of \( N a O H \)
A. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
B. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
c. Assertion is correct but Reason is incorrect
D. Assertion is incorrect but Reason is correct
| 1 |
Chemistry
|
Number of longitudinal tracheal trunks in Cockroach is
A. Three pairs
B. Three
c. Two
D. Two pairs
| 0 |
Biology
|
In which of the following reactions,
\( \Delta \boldsymbol{H}>\boldsymbol{\Delta} \boldsymbol{U} ? \)
This question has multiple correct options
\( \mathbf{A} \cdot H_{2}(g)+I_{2}(g) \rightarrow 2 H I(g) \)
B \( \cdot P C l_{5}(g) \rightarrow P C l_{3}(g)+C l_{2}(g) \)
\( \mathbf{c} \cdot 2 H_{2} O_{2}(l) \rightarrow 2 H_{2} O(l)+O_{2}(g) \)
\( \mathbf{D} \cdot C(s)+O_{2}(g) \rightarrow C O_{2}(g) \)
| 1 |
Chemistry
|
Match the following.
\( \begin{array}{ll}\text { A. Incisors } & \text { 1. Grinding teeth } \\ \text { B. Canines } & \text { 2. Cracking teeth } \\ \text { C. Premolars } & \text { 3. Cutting teeth } \\ \text { D. Molars } & \text { 4. Tearing teeth }\end{array} \)
\( A \cdot A-2, B-4, C-1, D-3 \)
B. A- 2, B-1 , C-4, D-3
C \( . A-3, B-2, C-4, D-1 \)
D. A- 3, B-4, C-2, D-1
| 0 |
Biology
|
Express the following as percentages
\( \frac{126}{1050} \times 100 \)
| 2 |
Maths
|
A cell drives a current through a circuit
The e.m.f. of the cell is equal to the work done in moving unit charge:
This question has multiple correct options
A. from the positive to negative plate of the cell
B. from the positive plate back to the positive plate
C. from the negative plate back to the negative plate
D. from any point in the circuit back to the same point
| 3 |
Physics
|
The atomic number of natural
radioactive element is:
A. greater than 82
B. lesser than 82
c. not defined
D. at least 92
| 1 |
Chemistry
|
The average length of time required to complete a jury questionnaire is 40 minutes, with a standard deviation of 5 minutes. What is the probability that it will take a prospective juror between 35 and 45 minutes to complete the questionnaire?
A. About \( 68 \% \)
B. About \( 72 \% \)
c. About \( 76 \% \)
D. About \( 84 \% \)
| 2 |
Maths
|
Sl unit of weight is kilogram-force \( (K g f \)
).
A. True
B. False
| 3 |
Physics
|
Which of the following blood cells help in blood coagulation?
\( A \cdot \) RBCs
B. Lymphocytes
c. Thrombocytes
D. Basophils
| 0 |
Biology
|
A body of mass \( 300 \mathrm{kg} \) is moved
through \( 10 m \) along a smooth inclined
plane of an angle \( 30^{\circ} . \) The work done in moving the mass in joules is:
\( \left(g=9.8 m s^{-2}\right) \)
A. 9800
B. 14700
\( c .3450 \)
D. 4900
| 3 |
Physics
|
Which of the following is included in laws of refraction.
A. \( \angle i=\angle r \)
B. The incident ray, the reflected ray and normal at the point of incidence all lie in the same plane.
c. Both
D. None
| 3 |
Physics
|
The correct order of decreasing polarity
¡s:
\( \mathbf{A} \cdot H F>S O_{2}>H_{2} O>N H_{3} \)
B \( \cdot H F>H_{2} O>S O_{2}>N H_{3} \)
\( \mathbf{c} \cdot H F>N H_{3}>S O_{2}>H_{2} O \)
\( \mathbf{D} \cdot H_{2} O>N H_{3}>S O_{2}>H F \)
| 1 |
Chemistry
|
The investment of \( A \) is twice as that of \( B \)
and thrice as that of \( C . B \) invested for
twice the months than \( A \) and thrice the
months than
C. Who will earn the
highest profit
| 2 |
Maths
|
The equation of a parabola which passes through the intersection of a straight line \( x+y=0 \) and the circle \( x^{2}+y^{2}+4 y=0 \) is.
A \( \cdot y^{2}=4 x \)
В. \( y^{2}=x \)
c. \( y^{2}=2 x \)
D. None of these
| 2 |
Maths
|
On which of the following intervals is the function \( x^{100}+\sin x-1 \)
decreasing?
A \( \cdot\left(0, \frac{\pi}{2}\right) \)
в. (0,1)
c. \( \left(\frac{\pi}{2}, \pi\right) \)
D. None of the above.
| 2 |
Maths
|
The variation of magnetic susceptibility with the temperature of a ferromagnetic material can be plotted
as?
\( A \)
в.
\( c \)
D.
| 3 |
Physics
|
8
8
8
8
| 1 |
Chemistry
|
What is the energy required to move a body of mass \( \mathrm{m} \) from orbit of radius \( 2 \mathrm{r} \)
to \( 3 r ? \)
| 3 |
Physics
|
Hydraulic washing is based on the differences in
ore and gangue particles.
A. specific gravities
B. mass
c. type of material
D. none of these
| 1 |
Chemistry
|
If there was no \( C O_{2} \) in the atmosphere
the earth's temperature would be:
A. less than the present
B. same as present
c. higher than the present
D. dependent on \( O_{2} \) content of air
| 0 |
Biology
|
Let \( \boldsymbol{A}=\{\mathbf{9}, \mathbf{1 0}, \mathbf{1 1}, \mathbf{1 2}, \mathbf{1 3}\} \) and \( \boldsymbol{f}: \boldsymbol{A} \rightarrow \)
\( N \) be defined by \( f(n)= \) highest prime
factor of \( n, \) then its range is
A \( .\{13\} \)
в. \{3,5,11,13\}
c. \{11,13\}
D. \{2,3,5,11\}
| 2 |
Maths
|
Find the value of \( y-x \) from the
following equation \( \mathbf{2}\left[\begin{array}{cc}\boldsymbol{x} & \mathbf{5} \\ \mathbf{7} & \boldsymbol{y}-\mathbf{3}\end{array}\right]+\left[\begin{array}{cc}\mathbf{3} & \mathbf{- 4} \\ \mathbf{1} & \mathbf{2}\end{array}\right]=\left[\begin{array}{cc}\mathbf{7} & \mathbf{6} \\ \mathbf{1 5} & \mathbf{1 4}\end{array}\right] \)
| 2 |
Maths
|
Consider the following reaction:
The m-isomer of D and E is called:
A. Phthalic acid
B. Isophthalic acid
c. Terephthalic acid
D. None
| 1 |
Chemistry
|
Using Gausss law derive an expression
for the electric
field intensity at any point near a uniformly charged thin wire of charge/length as \( 1 \mathrm{C} / \mathrm{m} \)
| 3 |
Physics
|
The binding energies of nuclei \( X \) and \( Y \)
are \( \boldsymbol{E}_{1} \) and \( \boldsymbol{E}_{2}, \) respectively. Two atoms of \( X \) fuse to give one atom of \( Y \) and an energy \( Q \) is released. Then,
A \( \cdot Q=2 E_{1}-E_{2} \)
в. \( Q=E_{2}-2 E_{1} \)
c. \( Q<2 E_{1}-E_{2} \)
D. \( Q>E_{2}-2 E_{1} \)
| 3 |
Physics
|
What is the average of the first 300 terms of the given sequence?
\( \mathbf{1},-\mathbf{2}, \mathbf{3},-\mathbf{4}, \mathbf{5},-\mathbf{6}, \dots, \dots, \mathbf{n} .(-\mathbf{1})^{n+1} \)
A . -1
в. 0.5
\( c \cdot 0 \)
D. - 0.5
| 2 |
Maths
|
The water stored in an overhead tank
possesses energy
| 3 |
Physics
|
Given that:
\( \mathbf{2} C(s)+\mathbf{2} O_{2}(\boldsymbol{g}) \longrightarrow \mathbf{2} \boldsymbol{C} \boldsymbol{O}_{2}(\boldsymbol{g}) ; \boldsymbol{\Delta} \boldsymbol{H}= \)
\( -787 k J \ldots(i) \)
\( \boldsymbol{H}_{2}(\boldsymbol{g})+\frac{1}{2} \boldsymbol{O}_{2}(\boldsymbol{g}) \longrightarrow \boldsymbol{H}_{2} \boldsymbol{O}(l) ; \boldsymbol{\Delta} \boldsymbol{H}= \)
\( -286 k J \ldots(i i) \)
\( \boldsymbol{C}_{2} \boldsymbol{H}_{2}(\boldsymbol{g})+\frac{5}{2} \boldsymbol{O}_{2}(\boldsymbol{g}) \longrightarrow \boldsymbol{2} \boldsymbol{C} \boldsymbol{O}_{2}(\boldsymbol{g})+ \)
\( \mathbf{3} \boldsymbol{H}_{2} \boldsymbol{O}(\boldsymbol{l}) \ldots . \)
\( \Delta H=-1301 k J \)
Heat formation of acetylene is:
B . \( +1802 k J \)
c \( .-800 k J \)
\( \mathbf{D} \cdot+228 k J \)
| 1 |
Chemistry
|
No current flows between two charged
bodies when connected if they have
same:
A. capacity
B. charge
c. potential
D. none of the above
| 3 |
Physics
|
A particle is executing simple harmonic motion (SHM) of amplitude \( A \), along the \( x \) -axis, about \( x=0 . \) When its potential Energy (PE) equals kinetic energy (KE), the position of the particle will be :
A \( \cdot \frac{A}{2} \)
в. \( \frac{A}{2 \sqrt{2}} \)
c. \( \frac{A}{\sqrt{2}} \)
D.
| 3 |
Physics
|
Arrange the following in descending order of their role in soil erosion.
(i) Wind erosion
(ii) Chemical degradation
(ii) Physical degradation
(iv) Water erosion
\( \mathbf{A} \cdot \mathbf{i}, \) i, i ii, iv
B. iv, i, ii, iii
c. iv , iii, ii, i
D. iv, ii, iii, i
| 0 |
Biology
|
Classification of periodic table based on atomic number is given by:
A. Mendeleev's
B. Mosley
c. Both A and B
D. None of these
| 1 |
Chemistry
|
Which of the following statement is incorrect about the cell cycle?
A. It consists of mitosis and interphase
B. The cell's DNA replicates during G, phase
C. A cell can remain in Gi phase for weeks or much longe
D. Most proteins are formed throughout all subphases of interphase
| 0 |
Biology
|
At \( 373 \mathrm{k} \) the half-life period for the
thermal decomposition of \( N_{2} O_{5} \) is 4.6
sec and is independent of the initial
pressure of \( N_{2} O_{5} \). Calculate the specific rate constant of this
temperature.
\( \mathbf{A} \cdot K=0.1507 s^{-1} \)
В. \( K=0.3014 s^{-1} \)
C . \( K=0.1507 s^{-2} \)
D. \( K=0.3014 s^{-2} \)
| 1 |
Chemistry
|
Select correct statement.
A. In lead storage battery, galvanic cells are linked in series
B. Cathode and anode compartments are not separated in a battery as oxidizing agents and reducing agents both are solids
C. Recharging of storage battery is a non spontaneous process
D. All are correct statements
| 1 |
Chemistry
|
Walking fern belongs to the genus
A. Asplenium
B. Dryopteris
c. Pteris
D. Marsilea
| 0 |
Biology
|
Lymph flows in direction.
A. upwarddardpwardd
B. Downward
c. Frontward
D. Backward
| 0 |
Biology
|
In a circuit, \( 5 C \) of charge is passed
through a battery in 3 hours. The plates of the battery are maintained at the
potential difference of 12 V. Then, the amount of work done by a battery is:
A . 60 J
в. 180
c. 20
D. \( 6.48 \times 10^{5} \) 」
| 3 |
Physics
|
Will \( C a F_{2} \) be precipitated?
A. Yes
B. No
c. Data insufficient
D. None of these
| 1 |
Chemistry
|
Assertion
\( C l_{2} \) gas bleaches the articles
permanently.
Reason
\( C l_{2} \) is a strong reducing agent.
Read the above assertion and reason
and choose the correct option regarding
¡t.
A. Both Assertion and Reason are correct and Reason is
the correct explanation for Assertion
B. Both Assertion and Reason are correct but Reason is
not the correct explanation for Assertion
C. Assertion is correct but Reason is incorrect
D. Both Assertion and Reason are incorrect
| 1 |
Chemistry
|
The sum of the two digits of a two digit number is 12. The number obtained by interchanging the digits exceeds the given number by 18. Find the number.
| 2 |
Maths
|
In barley type of plant, the stomata open
A. For few hours during day
B. During night
c. Throughout day and night
D. Remains closed
| 0 |
Biology
|
Find the square root of 125 using repeated subtraction.
| 2 |
Maths
|
The phenomenon of electromagnetic induction was discovered by
A . Lenz
B. Maxwell
c. Fleming
D. Faraday
| 3 |
Physics
|
In which region of electromagnetic spectrum does the Balmer series lie?
A. UV
B. Visible
c. Infrared
D. Far infrared
| 1 |
Chemistry
|
Which organ is bypassed in foetal circulation?
A. Heart
B. Brain
c. Lung
D. Liver
| 0 |
Biology
|
Three right angled prisms of refractive
indices \( n_{1}, n_{2} \) and \( n_{3} \) are fixed together
using an optical glue as shown in figure. If a ray passes through the prisms without suffering any deviation,
then
A \( . n_{1}=n_{2}=n_{3} \)
B . \( n_{1}=n_{2} \neq n_{3} \)
c. \( 1+n_{1}=n_{2}+n_{3} \)
D. \( 1+n_{2}^{2}=n_{1}^{2}+n_{3}^{2} \)
| 3 |
Physics
|
I.F. of \( \frac{\boldsymbol{d} \boldsymbol{y}}{\boldsymbol{d} \boldsymbol{x}}=\frac{\boldsymbol{x}+\boldsymbol{y}+\mathbf{1}}{\boldsymbol{x}+\mathbf{1}} \) is:
A. \( \frac{1}{y+1} \)
в. \( \frac{1}{x+1} \)
c. \( \log (x+1) \)
D. \( \log (y+1) \)
| 2 |
Maths
|
A dipole of dipole moment \( \overrightarrow{\boldsymbol{p}} \) is kept along an electric field \( \overrightarrow{\boldsymbol{E}} \) such that \( \overrightarrow{\boldsymbol{E}} \) and \( \vec{p} \) are in the same direction. Find the work done in rotating the dipole by an angle \( \pi \)
A. \( W=3 E p \)
в. \( W=2 E p \)
c. \( W=4 \) Ер.
D. \( W=5 E p \)
| 3 |
Physics
|
If a thermometer reads freezing point of
water as \( 20^{\circ} \mathrm{C} \) and boiling point at
\( 150^{\circ} \mathrm{C} \) how much thermometer read
when the actual temperature is \( 60^{\circ} \mathrm{C} \)
\( \mathbf{A} \cdot 98^{\circ} C \)
B. \( 110^{\circ} \mathrm{C} \)
\( \mathbf{c} \cdot 40^{\circ} \mathrm{C} \)
D. \( 60^{\circ} \mathrm{C} \)
| 3 |
Physics
|
What is the entropy change( \( \Delta S \) ) for adsorption?
| 1 |
Chemistry
|
Find the area enclosed between the
boundry of circle \( x^{2}+y^{2}=1 \) and the
line \( \boldsymbol{x}+\boldsymbol{y}=1 \) lying in the first
quadrant.
| 2 |
Maths
|
Among the following, density is highest for:
A. \( C H_{3} F \)
в. \( C H_{3} C l \)
\( \mathrm{c} \cdot C H_{3} B r \)
D. \( C H_{3} I \)
| 1 |
Chemistry
|
A cylinder contains helium at 2.5
atmosphere pressure. Another identical cylinder contains argon at 1.5
atmosphere pressure at the same temperature. If both the gases are filled
in any one of the cylinders, the pressure of the mixture will be:
A. 1.5 atm
B. 2.5 atm
\( c \cdot 4 a t m \)
D. none of these
| 3 |
Physics
|
Coal gas can be produced by:
A. carbonization
B. gasification
\( c . \) both a and \( b \)
D. none of above
| 1 |
Chemistry
|
When sugar is treated with sulphuric
acid, we get a very pure form of:
A. carbon
B. oxygen
c. water
D. hydrogen
| 1 |
Chemistry
|
In \( A C \) circuits choke is preferred to
resistors because
A. choke coil is cheap
B. voltage increase
c. energy is not wasted.
D. current increases
| 3 |
Physics
|
18 g glucose is added to 178.2 g of water the vapour pressure of water for this
aqueous solution at \( 100^{0} C \) is:
A. 704 torr
B. 759 torr
c. 7.6 torr
D. None of these
| 1 |
Chemistry
|
Toroid is
A. ring shaped closed solenopid
B. rectangular shaped solenoid
C. ring shaped open solenoid
D. square shaped solenoid
| 3 |
Physics
|
The instrument by which B.P. of man is determined is
A. Sphygmomanometer
B. Cardiograph
c. Ultrasound
D. stethoscope
| 0 |
Biology
|
Section-A Section-B
a) Incompressible liquid
e) Density constant
b) Turbulent flow
f) Stream lines
c) Tube of flow
g) Constant
d) Fluid flux rate in laminar
h) Reynold's no \( > \) flow 2000
\( A \cdot a-f ; b-e ; c-g ; d-h \)
B. \( a-e ; b-h ; c-f ; d-g \)
\( \mathbf{c} \cdot \mathrm{a}-\mathrm{g} ; \mathrm{b}-\mathrm{f} ; \mathrm{c}-\mathrm{e} ; \mathrm{d}-\mathrm{h} \)
D. \( a-h ; b-g ; c-e ; d-f \)
| 3 |
Physics
|
In cities like Bombay and Calcultta, the major air pollutants is/are:
A . ozone
B. carbon monoxide and oxides of sulphur
c. hydrocarbons and not air
D. algal spores and marsh gas
| 1 |
Chemistry
|
If \( \int_{0}^{1} \cot ^{-1}\left(1-x+x^{2}\right) d x= \)
\( \lambda \int_{0}^{1} \tan ^{-1} x d x, \) then \( \lambda \) is equal to
\( A \)
B. 2
\( c .3 \)
\( D \)
| 2 |
Maths
|
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