Question

what is the angle of incidence for an incident ray to pass from one medium to another without any deviation​

Answer 1

Answer:

hy

Explanation:

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There is only one condition when a ray of light entering a medium from a different medium will not deviate, when the ray is incident on the interface separating the two medium normally to the interface ie when the angle of incidence is zero. In this case there is no deviation from the original path.

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Answer 2

Answer:

Explanation:

a ray of light is incident normally to the surfaces, then deviating from the normal will always increase the time of travel according to the Snell's law. Since angle of incidence is 0 degrees, sine (0)=0. So, the light ray will pass without any deviation.

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