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In a Young's double slit experiment with...

In a Young's double slit experiment with slit separation 0.1 mm, one observes a bright fringe at angle `(1)/(40)` rad by using light of wavelength `lamda_(1).` When the light of wavelength `lamda_(2)` is used a bright fringe is seen at the same angle in the same set up. Given that `lamda_(1) and lamda_(2)` are in visible range (380 nm to 740 nm), their values are :

A

625 nm, 500 nm

B

380 nm, 525 nm

C

380 nm, 500 nm

D

400 nm, 500 nm

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Knowledge Check

  • In a Young's double slit esperiment, the angular width of a fringe formed on a distant screen is 1^(@) . The slit separation is 0.01 mm. The wavelength of the light is

    A
    0.174 nm
    B
    0.174 Ã…
    C
    0.174 `mu m`
    D
    `0.174 xx 10^(-4)m`
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