HARD
12th Odisha Board
IMPORTANT
Earn 100

A ray of light passing through an equilateral triangular prism from air undergoes minimum deviation when angle Of incidence is 34 of the angle of prism. Calculate the speed of light in the prism.

Important Questions on Refraction, Dispersion and Lens

EASY
12th Odisha Board
IMPORTANT
Correct the following Sentence : When a light ray is refracted from water to air the refracted ray bends towards the normal.
EASY
12th Odisha Board
IMPORTANT
Correct the following Sentence : The total internal reflection is possible when light travels from rarer to denser medium.
EASY
12th Odisha Board
IMPORTANT
Correct the following Sentence : Transparency of a medium does not depend on its thickness.
HARD
12th Odisha Board
IMPORTANT
Correct the following Sentence: Blue light travels with the maximum speed in glass.
EASY
12th Odisha Board
IMPORTANT
Correct the following Sentence : During dispersion through a prism, the blue colour is most deviated.
EASY
12th Odisha Board
IMPORTANT
Correct the following Sentence: If the critical angle for a medium is 60°, then the refractive index of the medium is 32.
EASY
12th Odisha Board
IMPORTANT
Correct the following Sentence: The power of a convex lens of focal length 2 meter is 2 dioptre.