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Assertion Angular momentum of single ele...

Assertion Angular momentum of single electron in any orbit or hydrogen type atom is independent of the atomic number of the element.
Reason In ground state angular momentum is minimum

A

If both Assertion and Reason ar true and Reason is the correct explanation of Assertion.

B

If both Assertion and Reason are true but Reason is not correct explanation of Assertion

C

If Assertion is true by Reason is false.

D

If Assertion is false but Reason is true.

Text Solution

Verified by Experts

The correct Answer is:
B
`L=n((h)/(2pi))i.e.,Lpropn.` In ground state n=1
so L= minimum.
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Knowledge Check

  • The angular momentum of an electron in an orbital is given as:

    A
    `L=n(n/(2pi))`
    B
    `L=l(h/(2pi))`
    C
    `L=sqrt(l(l+1))(h/(2pi))`
    D
    `L=m(h/(2pi))`

  • Orbital angular momentum for a d-electron is

    A
    `( 6h)/( 2pi )`
    B
    `( sqrt( 6)h)/( 2pi )`
    C
    `( 12h )/( 2pi )`
    D
    `( sqrt( 12) h )/( 2pi )`

  • The orbital angular momentum of an electron in a d-orbital is:

    A
    `sqrt(6)(h)/(2pi)`
    B
    `sqrt(h)/(2pi)`
    C
    `(h)/2pi`
    D
    `(2h)/(2pi)`