Q.
In a double slit interference experiment the distance between the slits is 0.05 cm and screen is 2 m away from the slits. The wavelength of light is 6.0 x10-5 cm The distance between the fringes is
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a
0.24 cm
b
2.21cm
c
1.28cm
d
0.12 cm
answer is A.
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Detailed Solution
β=λD2d=6⋅0×10−5×2000⋅05=0⋅24cm
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