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

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

Text Solution

Verified by Experts

The correct Answer is:
`[ML^(2)T^(-1)]`
`E=hv rArr [h]=[E/v]=[(ML^(2)T^(-2))/(1//T)]=[ML^(2)T^(-1)]`
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Knowledge Check

  • Monoclinic crystal has dimension

    A
    `a ne b ne c , alpha ne beta ne gamma 90^(@)`
    B
    `a=b ne c , alpha = beta= gamma = 90^(@)`
    C
    `a=b=c,alpha = beta=gamma =90^(@)`
    D
    `a ne b ne c , alpha = gamma = 90^(@) , beta ne 90^(@)`

  • The potential energy of a particle from a distance x from an origin, changes according to the formula U=(Asqrtx)/(x+B) where A and B are constant so the dimension of AB=……

    A
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    B
    `M^(1)L^(2)T^(-2)`
    C
    `M^(3/2)L^(3/2)T^(-2)`
    D
    `M^(1)L^(7/2)T^(-2)`

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