MCQ
Deviation of $5^o $ is observed from a prism whose angle is small and whose refractive index is $1.5$. The angle of prism is.......$^o$
  • A
    $7.5$
  • $10$
  • C
    $5$
  • D
    $3.3$

Answer

Correct option: B.
$10$
b
( b) $5 = (\mu - 1)A = (1.5 - 1)A \Rightarrow A = {10^o}$

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