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pooja March 4, 2011 at 11:32 am
what is d ans plz let me know if u got the answer with explanation
souvik March 4, 2011 at 1:39 pm
sin(i)=1/(r.i.) R/(R+d)=2/3—-(for all the light to be totally reflected we take the limiting case of the total reflection of the ray grazing through the right side of the left arm) R/d=2
pooja March 6, 2011 at 4:50 pm
hey guys answer is 0.5 is it correct or not
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