When a ray of light from air enters a denser medium, it: (a) bends away from the normal

The atmosphere only contains air but all the air in the atmosphere is not at the same temperature. Some of the air layers are cold whereas others are comparatively warm....

(a) Root. (b) Stem.

Speed, intensity and wavelength

(a) The relation between speed of light in air c and in glass v is given by c/v = =1.5 (b) The wavelength of light in glass (λ1) μ = λ/λ1 = λ/1.5

The shift is maximum for violet light. Hint: The shift is maximum for violet light because the refractive index of glass is the most for the violet light and apparent =...

When a ray is incident from a denser medium to a rarer medium at angle equal to critical angle (i=ic), the angle of refraction becomes 90°.

False A ray of light when passes from glass to air, bends towards the normal.

bends towards the normal

1. reflected ray

(i) Laws of refraction : (a) The incident ray, the normal and the refracted ray, all lie in the same plane. (b) The ratio of sine of the angle of incidence and...