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

Question

The relative permittivity of distilled water is 81 . The velocity of light in it will be: (Given μr=1 ) (A) 4.33 × 107 m / s (B) 2.33 × 107 m / s (C) 3.33 × 107 m / s (D) 5.33 × 107 m / s

Tardigrade Admin · Accepted Answer

V=(c/√μr εr) =3.33 × 107 m / s

Q. The relative permittivity of distilled water is $81$ . The velocity of light in it will be : (Given $μ_{r} = 1$ )

$4.33 \times 1 0^{7} m / s$

$2.33 \times 1 0^{7} m / s$

$3.33 \times 1 0^{7} m / s$

$5.33 \times 1 0^{7} m / s$

$V = \frac{c}{μ _{r} ε _{r}}$
$= 3.33 \times 1 0^{7} m / s$

Q. The relative permittivity of distilled water is 81 . The velocity of light in it will be : (Given μr​=1 )

4.33×107m/s

2.33×107m/s

3.33×107m/s

5.33×107m/s