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Question
When light enters from denser medium to rarer medium at an angle greater than critical angle, it reflects back. This phoenomenon is called
When light enters from denser medium to rarer medium at an angle greater than critical angle, it reflects back. This phoenomenon is called
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Solution
The correct option is B Total internal reflection
Answer:− BTotal internal reflection is a phenomenon which occurs when a propagating wave strikes a medium boundary at an angle larger than a particular critical angle with respect to the normal to the surface. If the refractive index is lower on the other side of the boundary and the incident angle is greater than the critical angle, the wave cannot pass through and is entirely reflected. The critical angle is the angle of incidence above which the total internal reflection occurs.
Answer:− B
Total internal reflection is a phenomenon which occurs when a propagating wave strikes a medium boundary at an angle larger than a particular critical angle with respect to the normal to the surface. If the refractive index is lower on the other side of the boundary and the incident angle is greater than the critical angle, the wave cannot pass through and is entirely reflected. The critical angle is the angle of incidence above which the total internal reflection occurs.
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