The wavelength , frequency v, velocity v and intensity I of a lig… - Vidyadip

MCQ

The wavelength $\lambda$, frequency $v$, velocity $v$ and intensity I of a light ray transmitted in air respectively. If this ray enters water, then the values of these quantities become $\lambda^{\prime}, \nu^{\prime}, v^{\prime}$ and $I^{\prime}$ respectively. Which of the following relations is correct?

A
$\lambda=\lambda^{\prime}$
✓
$v=v^{\prime}$
C
$v=v$
D
$I = I ^{\prime}$

✓

Answer

Correct option: B.

$v=v^{\prime}$

(B) - $v=v^{\prime}$

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