Define critical angle. State one factor that affects the critical angle of a given medium.
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Answer:
Critical Angle
Explanation:
The critical angle of a medium depends upon the refractive index, wavelength of light and the temperature of the medium.
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Answer:
the angle of incidence beyond which rays of light passing through a denser medium to the surface of a less dense medium are no longer refracted but totally reflected.
Explanation:
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