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प्रश्न
Name a prism required for obtaining a spectrum of Ultraviolet light.
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उत्तर
Quartz prism is used to obtain a spectrum of UV light.
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संबंधित प्रश्न
When a ray of light travels from air to glass slab and strikes the surface of separation at 90°, then it …………….
(a) bends towards normal
(b) bends away from normal
(c) passes unbent
(d) passes in zigzag way
Explain how the formation of a rainbow occurs.
Draw the diagram given below and clearly show the path taken by the emergent ray.
In fig 4.18, name the ray which represents the correct path of light while emerging out through a glass block.
Four students showed the following traces of the path of a ray of light passing through a rectangular glass slab.
The trace most likely to be correct is that of student
(A) I
(B) II
(C) III
(D) IV
Four students A, B, C and D traced the paths of incident ray and the emergent ray by fixing pins P and Q for incident ray and pins R and S for emergent ray for a ray of light passing through a glass slab.
The correct emergent ray was traced by the student:
(1) A
(2) B
(3) C
(4) D
Fill in the blank to complete the following sentence:
When light travels from a rarer to a denser medium, it bends ...........
The critical angle for glass-air interface is :
Does the depth of a tank of water appear to change or remain the same when viewed normally from above?
In the diagram below, PQ is a ray of light incident on a rectangular glass block.
Copy the diagram and complete the path of the ray of light through the glass block. In your diagram, mark the angle of incidence by letter ‘i’ and the angle of emergence by the letter ‘e’.
