Chapterwise/Topicwise Daily Practice Problems (DPP) Optics and Modern Physics NEET>Chapter 4 - Atoms>TOPICWISE QUESTIONS>Q 10

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In Bohr's model of hydrogen atom, linear momentum ( $p_{n}$ ) of the electron depends on the principal quantum number ( $n$ ) as:

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Important Questions on Atoms

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Chapterwise/Topicwise Daily Practice Problems (DPP) Optics and Modern Physics NEET>Chapter 4 - Atoms>TOPICWISE QUESTIONS>Q 11

In Bohr model of hydrogen atom, the angular velocity

(ω_{n})

of the electron depends on the principal quantum number $(n)$ as:

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Chapterwise/Topicwise Daily Practice Problems (DPP) Optics and Modern Physics NEET>Chapter 4 - Atoms>TOPICWISE QUESTIONS>Q 12

The energy required to remove an electron in a hydrogen atom from

n = 10

state is:

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Chapterwise/Topicwise Daily Practice Problems (DPP) Optics and Modern Physics NEET>Chapter 4 - Atoms>TOPICWISE QUESTIONS>Q 13

In Bohr's model of

H

-atom, the kinetic energy $(K . E .)$ of the electron in any orbit depends on the principal quantum number

n

as:

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Chapterwise/Topicwise Daily Practice Problems (DPP) Optics and Modern Physics NEET>Chapter 4 - Atoms>TOPICWISE QUESTIONS>Q 14

The binding energy of

H

-atom in its ground state is

13.6 eV .

The energy required to remove an electron from the three lowest orbits of the

H

-atom respectively are: (in

eV

)

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Chapterwise/Topicwise Daily Practice Problems (DPP) Optics and Modern Physics NEET>Chapter 4 - Atoms>TOPICWISE QUESTIONS>Q 15

Two electrons are in orbit of radii

r_{0}

and

4 r_{0}

in an hydrogen atom. Then, their frequencies of revolution around the nucleus are in the ratio:

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Chapterwise/Topicwise Daily Practice Problems (DPP) Optics and Modern Physics NEET>Chapter 4 - Atoms>TOPICWISE QUESTIONS>Q 16

In Bohr model of hydrogen atom, the force

(F)

on the electron depends on the principal quantum number as:

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Chapterwise/Topicwise Daily Practice Problems (DPP) Optics and Modern Physics NEET>Chapter 4 - Atoms>TOPICWISE QUESTIONS>Q 17

In a hydrogen atom, in which of the following transitions will the wavelength be minimum?

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Chapterwise/Topicwise Daily Practice Problems (DPP) Optics and Modern Physics NEET>Chapter 4 - Atoms>TOPICWISE QUESTIONS>Q 18

E_{n}

and

J_{n}

denote the total energy and the angular momentum of an electron in the

n^{th}

allowed orbit of a Bohr's atom. Then,