Page 2 - HA-refractive index

normal. Draw a labelled diagram to show the path of this ray.
What would be the value of angle of refraction and angle of
emergence?
5. Refractive index of water and benzene w.r.t air are 1.33 and
1.50 respectively. Calculate refractive index of benzene w.r.t
water?
6. The absolute refractive index of 2 media ‘A’ and ‘B’ are 2.0
and 1.5 respectively. If the speed of light in medium ‘B’ is 2 ×
8
10 m/s, calculate the speed of light in: (i) vacuum
(ii) medium ‘A’.
7. The absolute refractive index of glass and water are 4/3 and
8
3/2 respectively. If the speed of light in glass is 2 × 10 m/s,
calculate the speed of light in: (i) vacuum (ii) water.
8. If the angle of incidence (i) for a light ray in air be 45 and the angle of
ͦ
refraction (r) in
glass be 30 , find the refractive index of glass w.r.t air.
9. Refractive index of air w.r.t is 1.33. What is the value of
refractive index of air w.r.t water?