The refractive index of a given transparent medium is 1.4. Which of the following is the minimum internal angle for total internal reflection to take place in the medium?

by Sunday | Sep 2 | Physics WAEC | 0 comments

A. 30°
B. 36°
C. 44°
D. 46°
E. 54°

Correct Answer:

Option D – 46°

Users Also Read These:

$The refractive index of a medium relative to air is 1.8. Calculate to the nearest degree, the critical angle for the medium$
The refractive index of a medium relative to air is…
$A to eater to glass to air to water to glass to air. Given that the refractive index for light passing from air to water is 4/3 and air to glass is 3/2, calculate the refractive index of glass relative to water.$
A to eater to glass to air to water to glass to air.…
$The critical angle for light travelling from a transparent medium to air s measured as 34°. The refractive index of the medium is?$
The critical angle for light travelling from a…
$The refractive index of a medium relative to air is 1.8. Calculate the critical angle for the medium to the nearest degree.$
The refractive index of a medium relative to air is…
$A ray of light travelling from glass into ethyl alcohol is incident at the boundary at an angle of incidence 30°. Calculate the angle of refraction. [Refractive index of glass =1.5; refractive index of ethyl alcohol = 1.36]$
A ray of light travelling from glass into ethyl…