MCQ (100)
Q31. The angular momentum (mvr) for the 6th
shell of hydrogen atom is:
(A) 3h
TT
(B) 2h
TT
(C) 2T
3h
(D) 6h
TT
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Answer:
Explanation:
According to Bohr's theory - Angular Momentum = mvr = nh/2π
⇒ For an Electron in M shell n is equal to =3
⇒ mvr = 3h/2π where h is Planck's constant = 6.626 × 10⁻³⁴ J-sec
substituting the value of h and solving we get mvr = 3.165 × 10⁻³⁴J-sec
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