TS EAMCET · Physics · Ray Optics
Figure shows a ray of light entering and passing through a dense glass slab and emerging from the other side. If the angle \(i=60^{\circ}\), slab thickness \(b=0.04 \mathrm{~m}\) and the refractive index of glass \(=\sqrt{3}\), the parallel shift \(d\) between the emerging and entering rays in \(\mathrm{mm}\) is
- A \(\sqrt{\frac{3}{4}}\)
- B \(\sqrt{\frac{4}{3}}\)
- C \(\frac{40}{\sqrt{3}}\)
- D \(15 \sqrt{3}\)
Answer & Solution
Correct Answer
(C) \(\frac{40}{\sqrt{3}}\)
Step-by-step Solution
Detailed explanation
We have, \(\sin r=\frac{\sin i}{\mu}=\frac{\sin 60^{\circ}}{\sqrt{3}}=\frac{1}{2}\) \(\Rightarrow\) Angle of refraction, \(r=30^{\circ}\) Now, lateral shift \(d\) is given by…
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