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ntA certain prism is found to produce a minimum deviation of 38^°. It produces a deviation of 44^° when the angle of incidence is either 42^° or 62^°. What is the angle of incidence when it is undergoing minimum deviationn nt1)45^°n nt2)49^°n nt3)40^°n nt4)55^°n |
| Answer» ntA certain prism is found to produce a minimum deviation of 38^°. It produces a deviation of 44^° when the angle of incidence is either 42^° or 62^°. What is the angle of incidence when it is undergoing minimum deviationn nt1)45^°n nt2)49^°n nt3)40^°n nt4)55^°n | |