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13,300 | NDQ_014386 | properties of electromagnetic waves | number of waves that pass a fixed point in a given amount of time | null | null | Multiple Choice | a. speed of light, b. wavelength, c. wave frequency, d. wave speed, e. light, f. medium | c |
13,301 | NDQ_014387 | properties of electromagnetic waves | example of electromagnetic radiation | null | null | Multiple Choice | a. speed of light, b. wavelength, c. wave frequency, d. wave speed, e. light, f. medium | e |
13,302 | NDQ_014388 | properties of electromagnetic waves | value that equals wavelength multiplied by wave frequency | null | null | Multiple Choice | a. speed of light, b. wavelength, c. wave frequency, d. wave speed, e. light, f. medium | d |
13,303 | NDQ_014389 | properties of electromagnetic waves | Properties of electromagnetic waves include | null | null | Multiple Choice | a. speed., b. wavelength., c. frequency., d. all of the above | d |
13,304 | NDQ_014390 | properties of electromagnetic waves | Light slows down when it | null | null | Multiple Choice | a. travels across space., b. passes from air to water., c. passes from water to air., d. two of the above | b |
13,305 | NDQ_014391 | properties of electromagnetic waves | Electromagnetic waves may vary in their | null | null | Multiple Choice | a. speed across space., b. energy level., c. frequency., d. two of the above | d |
13,306 | NDQ_014392 | properties of electromagnetic waves | Wavelengths of electromagnetic waves range from | null | null | Multiple Choice | a. many kilometers to a tiny fraction of a millimeter., b. millions of kilometers to several meters., c. several meters to a few millimeters., d. one kilometer to one millimeter. | a |
13,307 | NDQ_014393 | properties of electromagnetic waves | The highest-frequency electromagnetic waves have a frequency of | null | null | Multiple Choice | a. hundreds of waves per second., b. thousands of waves per second., c. millions of waves per second., d. trillions of waves per second. | d |
13,308 | NDQ_014394 | properties of electromagnetic waves | If the wavelength of an electromagnetic wave is 3.0 m, what is its frequency? | null | null | Multiple Choice | a. 9.0 102 hertz, b. 6.0 104 hertz, c. 3.0 106 hertz, d. 1.0 108 hertz | d |
13,309 | NDQ_014395 | properties of electromagnetic waves | If the frequency of an electromagnetic wave is 3.0 108 hertz, what is its wavelength? | null | null | Multiple Choice | a. 1 mm, b. 1 cm, c. 1m, d. 1 km | c |
13,310 | NDQ_014396 | the electromagnetic spectrum | Radio waves have the least amount of energy of all electromagnetic waves. | null | null | Multiple Choice | a. true, b. false | a |
13,311 | NDQ_014397 | the electromagnetic spectrum | Which electromagnetic waves are used for cell phone signals? | null | null | Multiple Choice | a. X rays, b. microwaves, c. gamma rays, d. none of the above | b |
13,312 | NDQ_014398 | the electromagnetic spectrum | Visible light has higher-frequency waves than ultraviolet light. | null | null | Multiple Choice | a. true, b. false | b |
13,313 | NDQ_014399 | the electromagnetic spectrum | Which choice lists electromagnetic waves in the correct sequence from higher to lower frequencies? | null | null | Multiple Choice | a. microwaves, infrared light, visible light, b. ultraviolet light, X rays, gamma rays, c. X rays, ultraviolet light, visible light, d. radio waves, microwaves, infrared light | c |
13,314 | NDQ_014400 | the electromagnetic spectrum | Cell phone transmissions are carried by microwaves. | null | null | Multiple Choice | a. true, b. false | a |
13,315 | NDQ_014401 | the electromagnetic spectrum | Electromagnetic waves that have the least amount of energy are | null | null | Multiple Choice | a. radio waves., b. infrared light., c. visible light., d. ultraviolet light. | a |
13,316 | NDQ_014402 | the electromagnetic spectrum | What color does the shortest wavelength of visible light appear to the human eye? | null | null | Multiple Choice | a. red, b. yellow, c. orange, d. violet | d |
13,317 | NDQ_014403 | the electromagnetic spectrum | Radar stands for radio detection and recovery. | null | null | Multiple Choice | a. true, b. false | b |
13,318 | NDQ_014404 | the electromagnetic spectrum | Visible light consists of a very wide range of wavelengths. | null | null | Multiple Choice | a. true, b. false | b |
13,319 | NDQ_014405 | the electromagnetic spectrum | X rays are used for | null | null | Multiple Choice | a. tracking storms., b. killing bacteria., c. screening luggage at airports., d. two of the above | c |
13,320 | NDQ_014407 | the electromagnetic spectrum | You should protect your skin from ultraviolet light even on cloudy days. | null | null | Multiple Choice | a. true, b. false | a |
13,321 | NDQ_014408 | the electromagnetic spectrum | The only use of X rays is to make images of bones and teeth inside the body. | null | null | Multiple Choice | a. true, b. false | b |
13,322 | NDQ_014410 | the electromagnetic spectrum | Gamma rays cannot pass through bones and teeth. | null | null | Multiple Choice | a. true, b. false | b |
13,323 | NDQ_014413 | the electromagnetic spectrum | Gamma rays can be used to destroy cancer cells. | null | null | Multiple Choice | a. true, b. false | a |
13,324 | NDQ_014415 | the electromagnetic spectrum | Radar is used for tracking storms. | null | null | Multiple Choice | a. true, b. false | a |
13,325 | NDQ_014416 | the electromagnetic spectrum | Ultraviolet light has shorter wavelengths than visible light. | null | null | Multiple Choice | a. true, b. false | a |
13,326 | NDQ_014417 | the electromagnetic spectrum | Which of the following choices lists electromagnetic waves from lower to higher frequencies? | null | null | Multiple Choice | a. radio waves, infrared light, microwaves, b. ultraviolet light, infrared light, X rays, c. infrared light, ultraviolet light, gamma rays, d. visible light, microwaves, ultraviolet light | c |
13,327 | NDQ_014418 | the electromagnetic spectrum | Television broadcasts cannot pass through the ionosphere. | null | null | Multiple Choice | a. true, b. false | b |
13,328 | NDQ_014419 | the electromagnetic spectrum | Which electromagnetic waves have a wavelength about as wide as the nucleus of an atom? | null | null | Multiple Choice | a. radio waves, b. infrared light, c. ultraviolet light, d. gamma rays | d |
13,329 | NDQ_014420 | the electromagnetic spectrum | Compared with FM radio broadcasts, AM radio broadcasts can | null | null | Multiple Choice | a. carry more information., b. be heard more clearly., c. pass through the ionosphere., d. travel to more distant receivers. | d |
13,330 | NDQ_014421 | the electromagnetic spectrum | Television broadcasts encode pictures with amplitude modulation. | null | null | Multiple Choice | a. true, b. false | a |
13,331 | NDQ_014422 | the electromagnetic spectrum | Television broadcasts encode pictures by changing the | null | null | Multiple Choice | a. frequency of radio waves., b. amplitude of radio waves., c. wavelength of radio waves., d. speed of radio waves. | b |
13,332 | NDQ_014423 | the electromagnetic spectrum | Infrared light is used to sterilize surgical instruments. | null | null | Multiple Choice | a. true, b. false | b |
13,333 | NDQ_014424 | the electromagnetic spectrum | X rays cannot pass through lead. | null | null | Multiple Choice | a. true, b. false | a |
13,334 | NDQ_014425 | the electromagnetic spectrum | Which type of electromagnetic waves are used for radar? | null | null | Multiple Choice | a. ultraviolet waves, b. radar waves, c. microwaves, d. X rays | c |
13,335 | NDQ_014426 | the electromagnetic spectrum | Visible light with the longest wavelength appears to be | null | null | Multiple Choice | a. violet., b. green., c. blue., d. red. | d |
13,336 | NDQ_014427 | the electromagnetic spectrum | Uses of ultraviolet light include | null | null | Multiple Choice | a. killing bacteria., b. sterilizing surgical instruments., c. making vitamin D by the skin., d. all of the above | d |
13,337 | NDQ_014428 | the electromagnetic spectrum | electromagnetic waves with the greatest energy | null | null | Multiple Choice | a. radio waves, b. infrared light, c. ultraviolet light, d. microwaves, e. electromagnetic spectrum, f. visible light, g. gamma rays | g |
13,338 | NDQ_014429 | the electromagnetic spectrum | full range of wavelengths of electromagnetic radiation | null | null | Multiple Choice | a. radio waves, b. infrared light, c. ultraviolet light, d. microwaves, e. electromagnetic spectrum, f. visible light, g. gamma rays | e |
13,339 | NDQ_014430 | the electromagnetic spectrum | electromagnetic waves with wavelengths between infrared and ultraviolet light | null | null | Multiple Choice | a. radio waves, b. infrared light, c. ultraviolet light, d. microwaves, e. electromagnetic spectrum, f. visible light, g. gamma rays | f |
13,340 | NDQ_014431 | the electromagnetic spectrum | light with the shortest wavelengths | null | null | Multiple Choice | a. radio waves, b. infrared light, c. ultraviolet light, d. microwaves, e. electromagnetic spectrum, f. visible light, g. gamma rays | c |
13,341 | NDQ_014432 | the electromagnetic spectrum | electromagnetic waves with the longest wavelengths | null | null | Multiple Choice | a. radio waves, b. infrared light, c. ultraviolet light, d. microwaves, e. electromagnetic spectrum, f. visible light, g. gamma rays | a |
13,342 | NDQ_014433 | the electromagnetic spectrum | light with the longest wavelengths | null | null | Multiple Choice | a. radio waves, b. infrared light, c. ultraviolet light, d. microwaves, e. electromagnetic spectrum, f. visible light, g. gamma rays | b |
13,343 | NDQ_014434 | the electromagnetic spectrum | radio waves with the highest frequencies | null | null | Multiple Choice | a. radio waves, b. infrared light, c. ultraviolet light, d. microwaves, e. electromagnetic spectrum, f. visible light, g. gamma rays | d |
13,344 | NDQ_014442 | the light we see | referring to matter that allows all visible light to pass through | null | null | Multiple Choice | a. incandescence, b. translucent, c. pigment, d. luminescence, e. transmission, f. transparent, g. opaque | f |
13,345 | NDQ_014443 | the light we see | Light bulbs that produce light by electroluminescence include | null | null | Multiple Choice | a. neon light bulbs., b. vapor light bulbs., c. LED light bulbs., d. all of the above | d |
13,346 | NDQ_014444 | the light we see | production of visible light in a way that does not require high temperatures | null | null | Multiple Choice | a. incandescence, b. translucent, c. pigment, d. luminescence, e. transmission, f. transparent, g. opaque | d |
13,347 | NDQ_014445 | the light we see | You can see clearly through an object that is transparent because all of the light that strikes the object is | null | null | Multiple Choice | a. transmitted., b. reflected., c. refracted., d. absorbed. | a |
13,348 | NDQ_014446 | the light we see | referring to matter that does not allow visible light to pass through it | null | null | Multiple Choice | a. incandescence, b. translucent, c. pigment, d. luminescence, e. transmission, f. transparent, g. opaque | g |
13,349 | NDQ_014447 | the light we see | The shortest wavelength of visible light appears to the human eye as the color | null | null | Multiple Choice | a. red., b. violet., c. yellow., d. magenta. | b |
13,350 | NDQ_014448 | the light we see | Why does a blackboard appear black? | null | null | Multiple Choice | a. It reflects all wavelengths of visible light., b. It absorbs all wavelengths of visible light., c. It reflects only black wavelengths of visible light., d. It absorbs only black wavelengths of visible light. | b |
13,351 | NDQ_014449 | the light we see | production of visible light by an object that is so hot it glows | null | null | Multiple Choice | a. incandescence, b. translucent, c. pigment, d. luminescence, e. transmission, f. transparent, g. opaque | a |
13,352 | NDQ_014450 | the light we see | passage of light through matter | null | null | Multiple Choice | a. incandescence, b. translucent, c. pigment, d. luminescence, e. transmission, f. transparent, g. opaque | e |
13,353 | NDQ_014451 | the light we see | Which of the following colors is a primary pigment color? | null | null | Multiple Choice | a. red, b. blue, c. cyan, d. green | c |
13,354 | NDQ_014453 | the light we see | referring to matter that transmits but scatters visible light | null | null | Multiple Choice | a. incandescence, b. translucent, c. pigment, d. luminescence, e. transmission, f. transparent, g. opaque | b |
13,355 | NDQ_014454 | the light we see | substance that colors materials by reflecting light of certain wavelengths and absorbing light of other | null | null | Multiple Choice | a. incandescence, b. translucent, c. pigment, d. luminescence, e. transmission, f. transparent, g. opaque | c |
13,356 | NDQ_014462 | the light we see | A luminous object is an object that appears to glow because it is reflecting light from another source. | null | null | Multiple Choice | a. true, b. false | b |
13,357 | NDQ_014464 | the light we see | Some minerals produce visible light when they absorb ultraviolet light. | null | null | Multiple Choice | a. true, b. false | a |
13,358 | NDQ_014467 | the light we see | A neon light produces violet or blue light. | null | null | Multiple Choice | a. true, b. false | b |
13,359 | NDQ_014469 | the light we see | An object that reflects all the light that strikes it is opaque. | null | null | Multiple Choice | a. true, b. false | a |
13,360 | NDQ_014470 | the light we see | Fireflies glow with visible light because of chemical reactions. | null | null | Multiple Choice | a. true, b. false | a |
13,361 | NDQ_014471 | the light we see | The sun and other stars produce visible light by | null | null | Multiple Choice | a. fluorescence., b. luminescence., c. incandescence., d. electroluminescence. | c |
13,362 | NDQ_014472 | the light we see | Jellyfish and fireflies produce light as a result of | null | null | Multiple Choice | a. high temperatures., b. chemical reactions., c. absorption of ultraviolet light., d. reflection of light from other sources. | b |
13,363 | NDQ_014473 | the light we see | Which type of light bulb produces visible light by electroluminescence? | null | null | Multiple Choice | a. incandescent light bulb, b. vapor light bulb, c. neon light bulb, d. two of the above | d |
13,364 | NDQ_014474 | the light we see | An example of opaque matter is a | null | null | Multiple Choice | a. clear glass window., b. wooden door., c. mirror., d. two of the above | d |
13,365 | NDQ_014475 | the light we see | Light with the longest wavelength appears | null | null | Multiple Choice | a. red., b. blue., c. green., d. violet. | a |
13,366 | NDQ_014476 | the light we see | A prism separates light into different colors by | null | null | Multiple Choice | a. reflection., b. refraction., c. scattering., d. transmission. | b |
13,367 | NDQ_014477 | the light we see | If only green light strikes a blue object, the object appears | null | null | Multiple Choice | a. green., b. blue., c. black., d. white. | c |
13,368 | NDQ_014478 | the light we see | All plants use visible light to make food by photosynthesis. | null | null | Multiple Choice | a. true, b. false | a |
13,369 | NDQ_014479 | the light we see | The moon is an example of a luminescent object. | null | null | Multiple Choice | a. true, b. false | b |
13,370 | NDQ_014480 | the light we see | The filament of an incandescent light bulb glows because it gets extremely hot. | null | null | Multiple Choice | a. true, b. false | a |
13,371 | NDQ_014481 | the light we see | An LED light produces visible light by fluorescence. | null | null | Multiple Choice | a. true, b. false | b |
13,372 | NDQ_014482 | the light we see | You can see clearly through an object that is translucent. | null | null | Multiple Choice | a. true, b. false | b |
13,373 | NDQ_014483 | the light we see | A rainbow occurs because raindrops separate light into its different wavelengths. | null | null | Multiple Choice | a. true, b. false | a |
13,374 | NDQ_014484 | the light we see | An apple appears red because it absorbs only red light. | null | null | Multiple Choice | a. true, b. false | b |
13,375 | NDQ_014485 | the light we see | The bluish green color called cyan is a secondary color of light. | null | null | Multiple Choice | a. true, b. false | a |
13,376 | NDQ_014486 | the light we see | Combining red, green, and blue light produces light that appears to be black. | null | null | Multiple Choice | a. true, b. false | b |
13,377 | NDQ_014487 | the light we see | The primary colors of pigments are the same as the primary colors of light. | null | null | Multiple Choice | a. true, b. false | b |
13,378 | NDQ_014488 | optics | formation of a clear image by light reflected from a very smooth surface | null | null | Multiple Choice | a. convex, b. laser, c. concave, d. regular reflection, e. optics, f. image, g. diffuse reflection | d |
13,379 | NDQ_014489 | optics | A convex lens | null | null | Multiple Choice | a. is thicker at the edges than in the middle., b. forms only real upside-down images., c. may form enlarged or reduced images., d. causes rays of light to diverge. | c |
13,380 | NDQ_014490 | optics | device that produces a very focused beam of light of just one wavelength | null | null | Multiple Choice | a. convex, b. laser, c. concave, d. regular reflection, e. optics, f. image, g. diffuse reflection | b |
13,381 | NDQ_014491 | optics | Concave mirrors are used | null | null | Multiple Choice | a. as side mirrors on cars., b. behind car headlights., c. in compound microscopes., d. in cameras. | b |
13,382 | NDQ_014492 | optics | curving outward like the outside of a bowl | null | null | Multiple Choice | a. convex, b. laser, c. concave, d. regular reflection, e. optics, f. image, g. diffuse reflection | a |
13,383 | NDQ_014493 | optics | The optical instrument that produces a beam of very focused light is a | null | null | Multiple Choice | a. laser., b. microscope., c. telescope., d. none of the above | a |
13,384 | NDQ_014494 | optics | Which surface is most likely to result in diffuse reflection? | null | null | Multiple Choice | a. completely still water in a puddle, b. choppy water in a lake, c. a plane glass mirror, d. a convex mirror | b |
13,385 | NDQ_014495 | optics | copy of an object that is formed by reflected or refracted light | null | null | Multiple Choice | a. convex, b. laser, c. concave, d. regular reflection, e. optics, f. image, g. diffuse reflection | f |
13,386 | NDQ_014496 | optics | formation of a blurry image by light reflected from a rough surface | null | null | Multiple Choice | a. convex, b. laser, c. concave, d. regular reflection, e. optics, f. image, g. diffuse reflection | g |
13,387 | NDQ_014497 | optics | A compound microscope contains | null | null | Multiple Choice | a. convex lenses, b. plane mirror, c. convex mirror, d. two of the above | d |
13,388 | NDQ_014499 | optics | curving inward like the inside of a bowl | null | null | Multiple Choice | a. convex, b. laser, c. concave, d. regular reflection, e. optics, f. image, g. diffuse reflection | c |
13,389 | NDQ_014500 | optics | study of visible light and the ways it can be used | null | null | Multiple Choice | a. convex, b. laser, c. concave, d. regular reflection, e. optics, f. image, g. diffuse reflection | e |
13,390 | NDQ_014508 | optics | Moving the lens of a camera controls the amount of light that enters the camera. | null | null | Multiple Choice | a. true, b. false | b |
13,391 | NDQ_014510 | optics | A laser beam consists of photons of light of a single wavelength. | null | null | Multiple Choice | a. true, b. false | a |
13,392 | NDQ_014513 | optics | A reflecting telescope does not refract light. | null | null | Multiple Choice | a. true, b. false | b |
13,393 | NDQ_014515 | optics | Magnifications of all the lenses of a microscope are added to yield the overall magnification of the | null | null | Multiple Choice | a. true, b. false | b |
13,394 | NDQ_014516 | optics | Light refracts when it enters a new medium at an angle other than 90 . | null | null | Multiple Choice | a. true, b. false | a |
13,395 | NDQ_014517 | optics | Only mirrors reflect light and form images. | null | null | Multiple Choice | a. true, b. false | b |
13,396 | NDQ_014518 | optics | All mirrors can form virtual images. | null | null | Multiple Choice | a. true, b. false | a |
13,397 | NDQ_014519 | optics | The image formed by a plane mirror looks exactly like the object in every way. | null | null | Multiple Choice | a. true, b. false | b |
13,398 | NDQ_014520 | optics | The focal point of a concave mirror is the point in front of the mirror where reflected rays intersect. | null | null | Multiple Choice | a. true, b. false | a |
13,399 | NDQ_014521 | optics | A concave mirror can form only virtual images. | null | null | Multiple Choice | a. true, b. false | b |
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