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The unit of Planck's constant is...

The unit of Planck's constant is

A

Joule

B

Joule/s

C

Joule/m

D

Joule-s

Text Solution

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The correct Answer is:
D
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Knowledge Check

  • The value of Planck's constant in SI unit is

    A
    `6.63 xx 10^(-31)J-s`
    B
    `6.63 xx 10^(-30) kg-m//s`
    C
    `6.63 xx 10^(-32) kg-m^(2)`
    D
    `6.63 xx 10^(-34) J-s`

  • The value of Planck's constant is

    A
    `6.6 xx 10^(-32) g//m^(2)`s
    B
    `6.6 xx10^(-34) kg//m^(2)//s^(-1)`
    C
    `6.6 xx 10^(-33) kg//m//s^(-1)`
    D
    `6.6 xx 10^(-34) g//s^(-1)`

  • The value of Planck's constant is 6.62618 xx 10^(-34)Js . The number of significant figures in it is

    A
    6
    B
    5
    C
    3
    D
    34

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