AP EAMCET · PHYSICS · Ray Optics
If refractive index of water is \(\frac{4}{3}\) and that of a given glass slab immersed in it is \(\frac{5}{3}\). The value of critical angle for a ray of light tending to go from glass to water is
- A \(\sin ^{-1}\left(\frac{4}{5}\right)\)
- B \(\sin ^{-1}\left(\frac{3}{4}\right)\)
- C \(\sin ^{-1}\left(\frac{5}{3}\right)\)
- D \(\sin ^{-1}\left(\frac{4}{3}\right)\)
Answer & Solution
Correct Answer
(A) \(\sin ^{-1}\left(\frac{4}{5}\right)\)
Step-by-step Solution
Detailed explanation
Given, refractive index of water, \({ }_w \mu_a=4 / 3\) Refractive index of glass slab, \({ }_g \mu_a=5 / 3\) Refractive index of combined media…
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