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NEET 2022 Physics and Chemistry

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Question : 30

Total: 100

When light propagates through a material medium of relative permittivity εr and relative permeability µr, the velocity of light, v is given by (c-velocity of light in vacuum)

v=c
v=√‌
µr
εr
v=√‌
εr
µr
v=‌
c
√εrµr

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