Last Updated On [03-11-2023]
A screen is at a distance 
cm from a diaphragm having two narrow slits 
and 
which are 
mm apart. Slit 
is covered by a transparent sheet of thickness 
m and 
by another sheet of thickness 
as shown in the figure. Both sheets are made of same material having refractive index 
. Water is filled in space between diaphragm and screen. A monochromatic light beam of wavelength 
is incident normally on the diaphragm. Assuming intensity of beam to be uniform, calculate ratio of intensity of centre of screen to intensity of individual slit, 
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Question ID - 154124 :- A screen is at a distance cm from a diaphragm having two narrow slits and which are mm apart. Slit is covered by a transparent sheet of thickness m and by another sheet of thickness as shown in the figure. Both sheets are made of same material having refractive index . Water is filled in space between diaphragm and screen. A monochromatic light beam of wavelength is incident normally on the diaphragm. Assuming intensity of beam to be uniform, calculate ratio of intensity of centre of screen to intensity of individual slit,
A screen is at a distance cm from a diaphragm having two narrow slits and which are mm apart. Slit is covered by a transparent sheet of thickness m and by another sheet of thickness as shown in the figure. Both sheets are made of same material having refractive index . Water is filled in space between diaphragm and screen. A monochromatic light beam of wavelength is incident normally on the diaphragm. Assuming intensity of beam to be uniform, calculate ratio of intensity of centre of screen to intensity of individual slit,
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