When a light wave suffers reflection at the interface between air and glass medium, the change of phase of the reflected wave in air is equal to A. 0 B. π C.2 π D.π /2 Answer : B. π...
When a light wave suffers reflection at the interface between air and glass medium, the change of wavelength of the reflected wave in air is equal to (a) 0 (b) λ/2 (c) λ (d) 2λ Answer : (b) λ/2...
When a light ray travelling in glass is incident on an air surface, A. it will refract away from the normal B. some of the light may be reflected C. all of the light may be reflected D. two of A, B, and C E. all of A, B, and C Answer : E. all of A, B, and C...
Newton's rings are formed because of interference between the light Reflected from (a) Upper surface of Plano-convex lens and lower surface of plane glass plate (b) Lower surface of Plano-convex ... c) Lower and upper surface of Plano-convex (d) Lower and upper surfaces of plane glass plate Answer : (b) Lower surface of Plano-convex lens and upper surface of plane glass plate...
When electromagnetic waves strike the boundary of denser medium they are __________. A. Reflected, in phase B. Reflected out of phase by 180° C. reflected, they are completely absorbed Answer : B. Reflected out of phase by 180°...
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