JEE Mains · Physics · STD 12 - 9. Ray optics and optical instruments
The refractive index of a transparent liquid filled in an equilateral hollow prism is \(\sqrt{2}\). The angle of minimum deviation for the liquid will be
- A \(30\)
- B \(20\)
- C \(40\)
- D \(50\)
Answer & Solution
Correct Answer
(A) \(30\)
Step-by-step Solution
Detailed explanation
\(\text { As } \mu=\frac{\sin \left(\frac{D_{\min }+A}{2}\right)}{\sin \left(\frac{A}{2}\right)}\) \(\sqrt{2}=\frac{\frac{\sin \left(D_{\min }+60\right)}{2}}{\sin \left(\frac{60}{2}\right)}\) \(\Rightarrow \frac{1}{\sqrt{2}}=\sin \left(\frac{D_{\min }+60}{2}\right)\)…
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