A ray of light travelling from glass into ethyl alcohol is incident at the boundary at an angle of incidence 30°. Calculate the angle of refraction. [Refractive index of glass =1.5; refractive index of ethyl alcohol = 1.36]

by Sunday | Mar 24 | Physics WAEC | 0 comments

A. 27°
B. 33.5°
C. 51.7°
D. 72.8°

Correct Answer:

Option C = 51.7°

Users Also Read These:

A ray of light is incident on a plane mirror at an…
$A to eater to glass to air to water to glass to air. Given that the refractive index for light passing from air to water is 4/3 and air to glass is 3/2, calculate the refractive index of glass relative to water.$
A to eater to glass to air to water to glass to air.…
$When a ray of light is incident normally on an air-glass interface, its angle of refraction is?$
When a ray of light is incident normally on an…
A ray of light is incident on mirror m1 and after…
$Surface waves travelling in deep water at 15ms‾¹ are incident at a shallow water boundary. If the angles of incidence and refraction are 45° and 30° respectively. Calculate the speed of the waves in shallow water$
Surface waves travelling in deep water at 15ms‾¹ are…