Wave Optics · Physics · Class 12

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MCQ (Single Correct Answer)

CBSE 12th Physics Delhi Set 1 - 2023
In a Young's double-slit experiment, the screen is moved away from the plane of the slits. What will be its effect on the following? (i) Angular separ...
CBSE 12th Physics Delhi Set 1 - 2023
According to Huygens principle, the amplitude of secondary wavelets is
CBSE 12th Physics Outside Delhi Set 1 - 2023
A beam of light travels from air into a medium. Its speed and wavelength in the medium are $$1.5 \times 10^8\mathrm{ms}^{-1}$$ and $$230 \mathrm{~nm}$...
CBSE 12th Physics Outside Delhi Set 1 - 2023
Assertion (A) : In Young's double slit experiment all fringes are of equal width. Reason (R) : The fringe width depends upon wavelength of light $$(\l...

Subjective

CBSE 12th Physics Delhi Set 1 - 2023
(a) A plane wave-front propagating in a medium of refractive index '$$\mu_1$$' is incident on a plane surface making an angle of incidence (i). It ent...
CBSE 12th Physics Outside Delhi Set 1 - 2023
What happens to the interference pattern when two coherent sources are (a) infinitely close, and (b) far apart from each other
CBSE 12th Physics Outside Delhi Set 1 - 2023
(a) (i) State Huygen's principle. With the help of a diagram, show how a plane wave is reflected from a surface. Hence, verify the law of reflection. ...
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Class 12