Deviation of 5^ is observed from a prism whose angle is small and… - Vidyadip

MCQ

Deviation of $5^{\circ}$ is observed from a prism whose angle is small and whose refractive index is $1.5.$ The angle of prism is

A
$7.5^{\circ}$
✓
$10^{\circ}$
C
$5^{\circ}$
D
$3 \cdot 3^{\circ}$

✓

Answer

Correct option: B.

$10^{\circ}$

$5=(\mu-1) A=(1.5-1) A \Rightarrow A=10^{\circ}$

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