JEE PHYSICS MCQ: WAVE OPTICS

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The electromagnetic theory of light failed to explain

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Correct option: A

Photoelectric effect

Option A (Photoelectric effect) is correct because the electromagnetic theory of light could not explain the discrete nature of energy exchange in the photoelectric effect, which required the concept of photons.

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Which of the following properties of electromagnetic waves does not support particle nature of radiation (electromagnetic wave)? Spherical wavefronts, emanating from a point source, strike a plane reflecting surface. What will happen to these wave fronts, immediately after reflection? An astronomical telescope is able to resolve two stars at an angular separation of

10^{-3}

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500 {~nm}

, then the diameter of the objective of the telescope is An interference pattern was made by using red light. If the red light changes with blue light, the fringes will become H-polaroid is prepared by Specific rotation of sugar solution is

0.01\;SI

units.

200\;kg{m^{ - 3}}

of impure sugar solution is taken in a polarimeter tube of length

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