(a) Find the distance of the third bright fringe on the screen from
the central maximum for wavelength 650 nm (b) What is the least distance from the central maximum where the
bright fringes due to both the wavelengths coincide Rationalised 2023-24
Physics
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11 1  INTRODUCTION
The Maxwell’s equations of electromagnetism and Hertz experiments on
the generation and detection of electromagnetic waves in 1887 strongly
established the wave nature of light