wiz-icon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

When a light ray moves from air to a transparent medium the angle of incidence and the angle of refraction are 45 and 30 respectively. Find the refractive index of this medium is

A
1.21
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
1.42
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
C
1.88
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
2.42
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

The correct option is B 1.42
Given,
Angle of incidence i=450
Angle of refraction r=300

By Snell's law
n=sinisinr, where n is the refractive index of the medium.

n=sin450sin300=2=1.42

flag
Suggest Corrections
thumbs-up
2
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Refraction Through a Glass Slab and Refractive Index
PHYSICS
Watch in App
Join BYJU'S Learning Program
CrossIcon