Light Class X Question
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Because velocity of light changes due to change in medium. This is the reason of your question.
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as there change in velocity of light when it travels from one medium to other medium it changes it's direction
air is rarer medium and glass is denser medium
so when light travels from rarer to denser it bends towards normal
when it travels from denser to rarer it bends away from normal
air is rarer medium and glass is denser medium
so when light travels from rarer to denser it bends towards normal
when it travels from denser to rarer it bends away from normal
tejasri2:
lt will help you
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