A plane wavefront wavelength 2 is falling on YDSE apparatus

Last updated: 6/5/2023

A plane wavefront wavelength 2 is falling on YDSE apparatus as shown in the figure The lower half of it is filled with water refractive index 1 5 How many maximas can be theoretically obtained on the screen if d 98 and D 20000 A including the maxima at infinity A 245 C 122 B 246 D 123 404