The velocity of electromagnetic radiation in a medium of permittivity ε0 and permeability μ0 is given by :
A
√ε0μ0
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B
√μ0ε0
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C
1√μ0ε0
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D
√μ0ε0
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Solution
The correct option is C1√μ0ε0 Velocity of electromagnetic radiation is the velocity of light (c), i.e., c=1√μ0ε0 where μ0 is the permeability and ε0 is the permittivity of free space.