Atoms and Nuclei (NEET Physics): Questions 26 - 28 of 67

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Question number: 26

» Atoms and Nuclei » Hydrogen Spectrum

MCQ▾

Question

he energy levels of the hydrogen spectrum are shown in figure. There are some transitions. A, B, C, D and E. Transition A, B and C respectively represent

Hydrogen Spectrum and energy levels depicted

Hydrogen Spectrum and Energy Levels Depicted

The energy levels of the hydrogen spectrum are shown in figure.

Choices

Choice (4) Response

a.

Series limit of Lyman series, third spectral line of Balmer series and second spectral line of Paschen series

b.

Ionization potential of hydrogen, second spectral line of Balmer series and third spectral line of Paschen series

c.

Series limit of Lyman series, second spectral line of Balmer series and third spectral line of Paschen series

d.

First spectral line of Lyman series, third spectral line of Balmer series and the second spectral line of Paschen series.

Question number: 27

» Atoms and Nuclei » Energy Levels

MCQ▾

Question

The wavelength of radiation emitted is λ 0 when an electron jumps from the third to the second orbit of hydrogen atom. For the electron jump from the fourth to the second orbit of the hydrogen atom, the wavelength of radiation emitted will be,

Choices

Choice (4) Response

a.

1625λ0

b.

2027λ0

c.

2720λ0

d.

2516λ0

Question number: 28

» Atoms and Nuclei » Hydrogen Spectrum

MCQ▾

Question

When a hydrogen atom is raised from the ground state to an excited state

Choices

Choice (4) Response

a.

P. E. increases and K. E. decreases

b.

kinetic energy and potential energy increase

c.

K. E. and P. E. decrease

d.

P. E. decreases and K. E. increases

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