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प्रश्न
A ray of light strikes the surface at a rectangular glass slab such that the angle of incidence is 45o.
In each case, draw diagram to show the path taken by the ray as it passes through the glass slab and emerges from it.
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उत्तर
When angle of incidence is 45o.
संबंधित प्रश्न
A student traces the path of a ray of light passing through a rectangular glass slab and marks the angle of incidence i, angle of refraction r and angle of emergence e, as shown.
The correctly marked angle(s) is/are
(A) ∠ i only
(B) ∠ e only
(C) ∠ r only
(D) ∠ i and ∠ e
Which colour of light travels fastest in any medium except air?
Name a prism required for obtaining a spectrum of Ultraviolet light.
When light travels from a rarer to a denser medium, its speed ______.
Define the term refractive index of a medium. What do you understand by the statement 'the refractive index of glass is 1.5 for white light'?
Fig. shows a ray of white light that passes through a prism and produces a spectrum.
(a) Name the phenomenon that is taking place.
(b) What colour would you see at X and Y?
(c) What radiation would you detect above X and below Y?
Rewrite the following statement by selecting the correct option:
If a ray of light strikes a glass slab at an angle of 600 with the surface of the slab, the angle of incidence must be __________________.
Why does a fisherman aim at the tail of fish during spearfishing?
State the relation between the refractive index μ and the velocity of light (vm) in that medium.
Define the term refractive index of a medium in terms of velocity of light.
