Atomic Structure MCQs

The frequency of light emitted for the transition n = 4 to n = 2 of He+ is equal to the transition in H atom corresponding to which of the following

January 8, 2022

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The frequency of light emitted for the transition n = 4 to n = 2 of He+ is equal to the transition in H atom corresponding to which of the following

Q. The frequency of light emitted for the transition n = 4 to n = 2 of He+ is equal to the transition in H atom corresponding to which of the following

A. n = 4 to n = 3

B. n = 3 to n = 1

C. n = 2 to n = 1

D. n = 3 to n = 2

Answer: n = 2 to n = 1

The frequency of light emitted for the transition n = 4 to n = 2 of He+ is equal to the transition in H atom corresponding to which of the following

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Uncertainty in the position of an electron (mass = 9.1 × 10–31 kg) moving with a velocity 300 ms–1, accurate upto 0.001%, will be (h = 6.63 × 10–34 Js)

The frequency of light emitted for the transition n = 4 to n = 2 of He+ is equal to the transition in H atom corresponding to which of the following

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If the 1st ionization energy of H atom is 13.6 eV, then the 2nd ionization energy of He atom is

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