JEE Main & Advanced
JEE Main Paper (Held On 25 April 2013)
question_answer
A thin glass plate of thikness\[\frac{2500}{3}\lambda (\lambda \] is wavelength of light used) and refractive index \[\mu =1.5\] is inserted between one the slits and the screen Yong?s double slit experiment. At a point on the screen equidistant form the slits, the ratio of the intensities before and after the introduction of the glass plate is:
JEE Main Online Paper ( Held On 25 April 2013 )