HARD
12th CBSE
IMPORTANT
Earn 100

Show using a proper diagram how unpolarized light can be linearly polarised by reflection from a transparent glass surface.

Important Questions on Wave Optics

HARD
12th CBSE
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 10 - Wave Optics>cbse-2018>Q 2
If one of two identical slits producing interference in Young’s experiment is covered with glass, so that the light intensity passing through it is reduced to 50%, find the ratio of the maximum and minimum intensity of the fringe in the interference pattern.
MEDIUM
12th CBSE
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 10 - Wave Optics>cbse-2018>Q 3
What kind of fringes do you expect to observe if white light is used instead of monochromatic light?
HARD
12th CBSE
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 10 - Wave Optics>cbse-2019>Q 8
Define the term wavefront. Using Huygen's wave theory, verify the law of reflection.
HARD
12th CBSE
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 10 - Wave Optics>cbse-2019>Q 9
Define the term "refractive index" of a medium. Verify Snell's law of refraction when a plane wavefront is propagating from a denser to a rarer medium.
MEDIUM
12th CBSE
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 10 - Wave Optics>cbse-2019>Q 10
 Describe any two characteristic features which distinguish between interference and diffraction phenomena. Derive the expression for the intensity at a point of the interference pattern in Young’s double slit experiment.
EASY
12th CBSE
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 10 - Wave Optics>cbse-2019>Q 11
In the diffraction due to a single slit experiment, the aperture of the slit is 3 mm. If monochromatic light of wavelength 620 nm is incident normally on the slit, calculate the separation between the first order minima and the 3rd order maxima on one side of the screen. The distance between the slit and the screen is 1.5 m.
MEDIUM
12th CBSE
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 10 - Wave Optics>cbse-2020>Q 12
Larger aperture of objective lens in an astronomical telescope _____
HARD
12th CBSE
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 10 - Wave Optics>cbse-2020>Q 13
Define wavefront of a travelling wave. Using Huygens principle, obtain the law of refraction at a plane interface when light passes from a denser to rarer medium.