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In the Young's double slit experiment, t...

In the Young's double slit experiment, the intensities at two points `P_(1)` and `P_(2)` on the screen are respectively `I_(1)` and `I_(2)` If `P_(1)` is located at the centre of a bright fringe and `P_(2)` is located at a distance equal to a quarter of fringe width from `P_(1)` then `I_(1)/I_(2)` is

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In Young's double slit experiment, the distance between two coherent sources is 1 mm and the distance between the slits and the screen is 1 m. If the 10th dark fringe is at a distance of 4.75 mm from the central bright fringe, calculate the distance of 5th bright fringe from the central bright fringe.

In Young's double slit experiment, the distance between the slits is 1 mm and that between slit and screen is 1 meter and 10th fringe is 5 mm away from the central bright fringe, then wavelength of light used will be

Knowledge Check

  • In a Young's double slit experiment, I_0 is the intensity at the central maximum and beta is the fringe width. The intensity at a point P distant x from the centre will be

    A
    (a) `I_ocos(pix)/(beta)`
    B
    (b) `4I_ocos^2(pix)/(beta)`
    C
    (c) `I_ocos^2(pix)/(beta)`
    D
    (d) `I_o/4cos^2(pix)/(beta)`

  • In the standard Young's double slit experiment, the intensity on the screen at a point distant 1.25 fringe widths from the central maximum is (assuming slits to be identical)

    A
    `1/2 I_(max)`
    B
    `1/4 I_(max)`
    C
    `1/3 I_(max)`
    D
    `I_(max)`

  • In the Young's double slit experiment, the spacing between two slits is 0.1mm . If the screen is kept at a distance of 1.0m from the slits and the wavelength of ligth is 5000Å , then the fringe width is

    A
    (a) `1.0cm`
    B
    (b) `1.5cm`
    C
    (c) `0.5cm`
    D
    (d) `2.0cm`

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    In Young's double-slit experiment, spacing between the two slits is 0.1 mm. If the screen is kept at a distance of 1.0 m from the slits and the wavelength of light is 5000 Å, then the fringe width is

    In a double slit experiment, the separation between the slits is d and distance of the screen from slits is D. If the wavelength of light used is lambda and I is theintensity of central bright fringe, then intensity at distance from central maximum is

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