Ans this question asap..

Dear Student
Refraction is caused due to change in the speed of light when it enters from one medium to another.

Hence correct option is b) speed of light.


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Option c. Because when light travels from rare to denser medium it bends toward its normar
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A is correct
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Sis are u free right now ??
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C is the answer
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Off Course vaibhav
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