The relative permittivity of distilled water is 81. The velocity of light in it will be :(Given $\mu$r = 1)

Question

The relative permittivity of distilled water is 81. The velocity of light in it will be :

(Given $\mu$_r = 1)

4.33 $\times$ 10⁷ m/s

2.33 $\times$ 10⁷ m/s

3.33 $\times$ 10⁷ m/s

5.33 $\times$ 10⁷ m/s

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