a plane wave front wavelength=L is falling on YDSE apparatus .the lower half of it is filled with water of refractive index 1.5 .How many maximas can be obtained on the screen if d=98L and D=20000L including the maxima at infinity
a plane wave front wavelength=L is falling on YDSE apparatus .the lower half of it is filled with water of refractive index 1.5 .How many maximas can be obtained on the screen if d=98L and D=20000L including the maxima at infinity