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The angular width of the central maximum...

The angular width of the central maximum of the diffraction patternn in a single slit (of width a) experiment, with `lamda` as the wavelenth of light, is

A

`(3lamda)/(2a)`

B

`(lamda)/(2a)`

C

`(2lamda)/(a)`

D

`(lamda)/(a)`

Text Solution

Verified by Experts

The correct Answer is:
C
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Angular width of central maximum in diffraction at a single slit is……………. .

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Knowledge Check

  • Angular width (beta) of central maximum of a diffraction pattern on a single slit does not depend upon

    A
    (a) Distance between slit and source
    B
    (b) Wavelength of the slit
    C
    (c) Width of the slit
    D
    (d) Frequency of light used

  • Angular width of central maxima of a single slit diffraction pattern is independent of

    A
    slit width
    B
    frequency of the light used
    C
    wavelength of the light used
    D
    distance between slit and screen

  • The angular size of the central maxima due to a single slit diffraction is (a to slit width)

    A
    `lamda/a`
    B
    `(2lamda)/(a)`
    C
    `(3lamda)/(2a)`
    D
    `(lamda)/(2a)`

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    A narrow slit is illuminated by a parallel beam of monochromatic light of wavelength lamda equals to 6000 Å and the angular width of the central maxima in the resulting diffraction pattern is measured. When the slit is next illuminated by light of wavelength lamda , the angular width decreases by 30%. calculate the value of the wavelength lamda .

    Find the half angular width of the central bright maximum in the fraunhofer diffraction pattern of a slit of width 12xx10^(-5)cm when the slit is illuminated by monochromatic light of wavelength 6000 Å.

    Determine the angular spread between central maximum and first order maximum of the diffraction pattern due to a single slit of width 0.25 mm , when light of wavelength 5890 Å is incident on it normally ?

    Angular width of central maximum in the Fraunhofer diffraction pattern of a slit is measured. The slit is illuminated by another wavelengths, the angular width decreases by 30%. Calculate the wavelength of this light. The same decreases in angular width of central maximum is obtained when the original appertus is immersed in a liquid. find the refractive index of the liquid.

    Find the half angular width of the central bright maximum in the fraunhofer diffraction pattern of a slit of width 12xx10^(-5)cm when the slit is illuminated by monochromatic light of wavelength 6000 Å.

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