The minimum refractive index of the prism given below(see image) should be:
Asked by sumandeesinghrana | 12th Oct, 2010, 09:12: PM
As in the figure we see that light is getting total internally reflected at an angle of 45 which must be more than the critical angle for the glass-air interface.
putting thetac = 45, we get mug = 1/sin 45 =
Hence the correct option is (b)
We hope your doubt is resolved.
Answered by | 13th Oct, 2010, 10:12: AM
Kindly Sign up for a personalised experience
- Ask Study Doubts
- Sample Papers
- Past Year Papers
- Textbook Solutions
Verify mobile number
Enter the OTP sent to your number