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Planck's constant has dimensions ……………....

Planck's constant has dimensions …………….

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`[M^(1)L^(2)T^(-1)]`
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Dual nature of matter was proposed by de Broglie in 1923, it was experimentally verified by Davisson and Germer by diffraction experiment. Wave character of amtter has significance only for microscopic partiles. De Broglie wavelength or wavelength of matter wave can be calculated using the following relation: lamda=(h)/(mv) Where, 'm' and 'v' are te mass and velocity of the particle. de Broglie hypothesis suggested that electron waves were being diffracted by the target, much as X-rays are diffracted by planes of atoms in the crystals. Q. Planck's constant has same dimension as that of:

Knowledge Check

  • Planck's constant has the dimensions of

    A
    Power
    B
    P.E.
    C
    Linear momentum
    D
    Angular momentum

  • Plancks' constant has the dimensions of

    A
    linear momentum
    B
    angular momentum
    C
    energy
    D
    power

  • Planck's constant has the dimension (unit) of

    A
    Energy
    B
    Linear momentum
    C
    Work
    D
    Angular momentum

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    Planck's constant has the units of

    Planck's constant has the units of

    Photon is quantum of radiation with energy E =hv where v is frequency and h is Planck's constant. The dimensions of h are the same as that of

    Boltzman's constant 'k' has dimensions of

    Planck's constant has the same dimensions as that of

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