Physics, asked by rimehra, 1 year ago

please please help me with this attachment fast i need it now...

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Answered by Anonymous

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When a ray of light is incident on a glass slab then incidence ray is parallel to emergence ray so angle of incidence is equal to angle of emergence.

Angle of refraction is little less than angle of incidence. Eg.If angle of incidence is 45°than angle of refraction is approximately 42°

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