plzzz solve both the questions
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a) The angle of incidence(i) is called the Critical angle . At that time the angle of refraction will be 90°.
b) The phenomenon of light returning back into denser medium is called Total Internal Reflection Of Light.
hope it helps u.....
a) The angle of incidence(i) is called the Critical angle . At that time the angle of refraction will be 90°.
b) The phenomenon of light returning back into denser medium is called Total Internal Reflection Of Light.
hope it helps u.....
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