First slide

Ray optics

Question

What is the total angle subtended by sky at the eyes of a fish in water? Take refractive index of water as $\sqrt{2}$

Moderate

A

$180^{o}$
B

$120^{o}$
C

$150^{o}$
D

$90^{o}$

Solution

Sky is extended upto infinity. So the extreme
$\sin θ_{c} = \frac{1}{μ} = \frac{1}{\sqrt{2}} \Rightarrow θ_{c} = 45^{o}$
So angle subtended by the sky

Get Instant Solutions

When in doubt download our app. Now available Google Play Store- Doubts App

Recieve an sms with download link

Doubts App

OR

SCAN ME

Doubts App

Doubts App