wiz-icon
MyQuestionIcon
MyQuestionIcon
10
You visited us 10 times! Enjoying our articles? Unlock Full Access!
Question

Light is incident normally on face AB of a prism as shown in figure. A liquid of refractive index μ is placed on face AC of the pr 9 is m. The prism is made of glass of refractive index 32. The limits of μ for which total internal reflection takes place on face AC is


A
μ>32
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
μ<332
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
C
μ>3
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
μ<32
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

The correct option is B μ<332


Critical angle between glass and liquid face is sin θc=μ32=2μ3
Angle of incidence at face AC is 60
For TIR to take place,
i>θc
or sin60>2μ3
or μ<334


flag
Suggest Corrections
thumbs-up
0
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Total Internal Reflection
PHYSICS
Watch in App
Join BYJU'S Learning Program
CrossIcon