Ques: The speed of light will be minimum while passing through [ BPSC 67th 2022 ]
A. water
B. vacuum
C. air
D. glass
E. None of the above / More than one of the above
Ans ➺ D
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A. water
B. vacuum
C. air
D. glass
E. None of the above / More than one of the above
Ans ➺ D
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