Questions
A ray of light from a denser medium strikes a rarer medium. The reflected and refracted rays make an angle of 90o with each other. The angles of reflection and refraction are r and . The critical angle would be
detailed solution
Correct option is A
i = r ; r + r1 - 90 ; r1 = 90 - rμrsin r1=μdsin i⇒cosr=1sin θcsin r since μdμr=1sin θc ⇒θc=sin-1tan rTalk 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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