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Give range of wavelength of visible ligh...

Give range of wavelength of visible light.

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Knowledge Check

  • A: The obstacle must be in the order of 10^(-7)m to see the differation of light. R: The wavelength of visible light is in the order of 10^(-7)m.

    A
    Both assertion and reason are true and the reason is correct explanation of the assertion.
    B
    Both assertion and reason are true but reason is not correct explanation of the assertion.
    C
    Assertion is true but the reason is false.
    D
    Both assertion and reason are false

  • For a parallel beam of monochromatic light wavelength lambda diffraction is produced by single slit whose width 'a' is of the order of th wavelength of the light. If 'D' is the distance the screen from the slit, the width of th central maxima will be ......

    A
    `(2Dlambda)/(a)`
    B
    `(Dlambda)/(a)`
    C
    `(Da)/(lambda)`
    D
    `(2Da)/(lambda)`

  • What is the range of wavelength of X-rays ?

    A
    0.001 nm to 1 nm
    B
    `0.001 mu` to `1 mum`
    C
    `0.001 Å` to `1Å`
    D
    `0.001 cm` to 1 cm

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    Give range of length scale in physics.

    If the size of the particle scattering the light is smaller than the wavelength of incident light then the scattering is called ...... scattering.

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