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The ratio of the frequencies of the long wavelength limits of the Brackett and Pfund series of hydrogen is

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Important Questions on Atoms, Molecules and Nuclei

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MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 2 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 12 - Atoms, Molecules and Nuclei>Critical Thinking>Q 18

The first line of the Balmer series has wavelength

6563 Å

. What will be the wavelength of the first member of the Lyman series?

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MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 2 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 12 - Atoms, Molecules and Nuclei>Critical Thinking>Q 19

If series limit of Balmer series is

6400 Å

, then series limit of Paschen series will be

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MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 2 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 12 - Atoms, Molecules and Nuclei>Critical Thinking>Q 20

An electron jumps from

3^{rd}

2^{nd}

orbit of hydrogen atom. Taking the Rydberg constant as

10^{7} m^{- 1},

what will be the frequency of the radiation emitted?

(c = 3 \times 10^{8} m s^{- 1})

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MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 2 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 12 - Atoms, Molecules and Nuclei>Critical Thinking>Q 21

The wavelength of emitted radiation in terms of

R

(the Rydberg constant) is

λ = \frac{36}{5 R}

. The electron jumps from

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MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 2 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 12 - Atoms, Molecules and Nuclei>Critical Thinking>Q 22

Shortest wavelength in the Lyman series is

912 Å .

The longest wavelength in this series will be

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MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 2 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 12 - Atoms, Molecules and Nuclei>Critical Thinking>Q 23

The wavelength of the first line of Lyman series of hydrogen is

121.6 nm

. The wavelength of the second member of Balmer series is

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MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 2 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 12 - Atoms, Molecules and Nuclei>Critical Thinking>Q 24

Wavelength of radiations emitted when an electron jumps from a state

A

to state

C

2000 Å

and it is

6000 Å

when the electron jumps from the state

B

to state

C

, wavelength of the radiations emitted when an electron jumps from state

A

B

will be

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MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 2 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 12 - Atoms, Molecules and Nuclei>Critical Thinking>Q 25

Let

X

and

Z

be the frequencies limit of Lyman series and Balmer series respectively. If

Y

is the frequency of first line of Lyman series, then

The ratio of the frequencies of the long wavelength limits of the Brackett and Pfund series of hydrogen is

Important Questions on Atoms, Molecules and Nuclei

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