Wave Optics
Telangana Open School (TOSS) · Class 12 · Physics
Practice quiz for Wave Optics — Telangana Open School (TOSS) Class 12 Physics. MCQs and questions with answers to test your preparation.
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Quick Quiz: Wave Optics
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What is the main idea behind Huygens' principle?
Which phenomenon proves that light is a transverse wave?
In Young's double-slit experiment, what causes bright fringes on the screen?
What happens to the fringe width in Young’s experiment if the wavelength of light is increased?
Sample Questions
Which colour of light is deviated the most by a prism?
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Violet
Violet light has the shortest wavelength and highest refractive index in glass, so it bends the most.
The sky appears blue because of:
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Scattering of light
Shorter wavelengths like blue are scattered more by air molecules, making the sky appear blue.
What is the phase difference for constructive interference?
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2nπ radians
Constructive interference occurs when the phase difference is an even multiple of π, i.e., 2nπ.
Which of the following is NOT a condition for observing diffraction?
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Use of monochromatic light
Monochromatic light is not essential for diffraction; it can occur with white light too, though patterns may blur.
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