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प्रश्न
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.
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उत्तर
Given: gμa = `Sin "i"/Sin "r"`
Applying the principle of reversibility:
gμa = `Sin "r"/Sin "i"`
[for the same value of ∠i and ∠r for a given pair of media]
संबंधित प्रश्न
Define refraction and state the laws of refraction.
Draw a ray diagram to show the refraction of light through a glass slab and mark angle of refraction and the lateral shift suffered by the ray of light while passing through the slab.
When a lighted candle is held in front of a thick plane glass mirror, several images can be seen, but the second image is the brightest, give reason.
A total reflecting right angled isosceles prism can be used to deviate a ray of light through:
(a) 30° (b) 60° (c) 75° (d) 90°.
What is meant by the refraction of light?
Name the phenomenon responsible in the following case:
Apparent bending of a stick in water
Name the material for which the refractive index is found to be maximum.
Draw a diagram to show the refraction of a monochromatic light ray through an equilateral prism. On the diagram, label the incident, refracted, and emergent rays. It also indicates the angle of deviation by the letter δ.
In the diagram alongside a ray of light, PQ is incident normally on one face AB of an equilateral glass prism. What is the angle of incidence at the faces AB and AC?
