Questions
An observer can see through a pin-hole the top end of a thin rod of height h, placed as shown in the figure. The beaker height is 3h and its radius h. When the beaker is filled with a liquid up to a height 2h, he can see the lower end of the rod. Then the refractive index of the liquid is
detailed solution
Correct option is B
The line of sight of the observer remains constant, making an angle of 45° with the normal.sinθ=hh2+2h2=15μ=sin45osinθ=1/21/5=52Talk to our academic expert!
Similar Questions
A vessel is half filled with a liquid of refractive index μ. The other half of the vessel is filled with an immiscible liquid of refractive index 1.5 μ. The apparent depth of vessel is 50% of the actual depth. The value of μ is
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