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प्रश्न
Make the correct for each of the following :
With reference to the fig, the refractive index of the glass block is
पर्याय
`"sin w"/"sin z"`
`"sin x"/"sin w"`
`"sin u"/"sin v"`
`"sin u"/"sin x"`
`"sin w"/"sin x"`
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उत्तर
`"sin w"/"sin x"`
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संबंधित प्रश्न
A student traces the path of a ray of white light through a rectangular glass slab and marks, the angles of incidence (∠i) , refraction (∠r) and emergence (∠e) as shown. Which angle or angles has he not marked correctly?
(A) ∠i only
(B) ∠i and ∠r
(C) ∠i and ∠e
(D) ∠r and ∠e
How does the deviation produced by a prism depend on the wavelength of incident light?
How is the refractive index of a medium related to its real depth and apparent depth?
How does the angle of deviation produced by a prism depend on the colour of light used? Which colour of white light is deviated (i) most, (ii) least, by a prism?
The refractive index of air with respect to glass is defined: as gµa = sin i/sin r
Write down a similar expression for aµg in terms of angle i and r.
Draw ray of light bending towards the normal while passing from air to glass. Label your diagrams.
Light passes through a rectangular glass slab and through a triangular glass prism. In what way does the direction of the two emergent beams differ and why?
The diagram below shows two parallel rays A (Orange) & B (Blue) incident from air, on air-glass boundary.
- Copy and complete the path of the rays A and B.
- How do the speeds of these rays differ in glass?
- Are the two refracted rays in glass parallel? Give a reason.
What is lateral displacement?
