In Young's double-slit experiment, the intensity of light on the observation screen is described by: 1= Imax 4 y cos Gn sin 0) L² + y² | r si é Suppose two narrow slits in a screen are illuminated by plane monochromatic light with wavelength 1 = 650 nm. The slits are separated by distance d = 0.18 mm. An observation screen is placed at distance L = 80 cm from the slits. The intensity of light at the central maximum is 0.005 W /m². Calculate the intensity of light at distance y = 8 mm from the central maximum.'
In Young's double-slit experiment, the intensity of light on the observation screen is described by: 1= Imax 4 y cos Gn sin 0) L² + y² | r si é Suppose two narrow slits in a screen are illuminated by plane monochromatic light with wavelength 1 = 650 nm. The slits are separated by distance d = 0.18 mm. An observation screen is placed at distance L = 80 cm from the slits. The intensity of light at the central maximum is 0.005 W /m². Calculate the intensity of light at distance y = 8 mm from the central maximum.'
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ANSWER SHOULD BE : 0.002799 W/m^2

Transcribed Image Text:In Young's double-slit experiment, the intensity of light on the observation screen is
described by:
L?
P+yi (cos( sin e)
CoS
Suppose two narrow slits in a screen are illuminated by plane monochromatic light with
wavelength A = 650 nm. The slits are separated by distance d = 0.18 mm. An
observation screen is placed at distance L = 80 cm from the slits. The intensity of light
at the central maximum is 0.005 W /m². Calculate the intensity of light at distance y =
8 mm from the central maximum.'
' When L » y, intensity can be approximated as: I= Imax cos (FT sin 0) - Imax cos n
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