Q. 1 L5.0( 1 Vote )
For which of the following cases, the total internal reflection of light will be possible?
A. Angle of incidence is less than critical angle.
B. Angle of incidence is equal to critical angle.
C. Angle of incidence is more than critical angle.
D. Angle of incidence equal to angle of refraction.
Answer :
Total internal reflection occurs when light rays travels from a medium of greater refractive index to a medium of lower refractive index and the angle of incidence must be greater than the critical angle.
Fig. Total internal reflection
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