Chapterwise/Topicwise Daily Practice Problems (DPP) Optics and Modern Physics NEET>Chapter 4 - Atoms>TOPICWISE QUESTIONS>Q 6

MEDIUM

NEET

IMPORTANT

Earn 100

The velocity of electron in the first Bohr orbit of ${He}^{+}$ ions is, (Use the speed of light = $c$ )

45.45% studentsanswered this correctly

Important Questions on Atoms

EASY

NEET

IMPORTANT

Chapterwise/Topicwise Daily Practice Problems (DPP) Optics and Modern Physics NEET>Chapter 4 - Atoms>TOPICWISE QUESTIONS>Q 7

Rydberg unit of energy is equal to:

EASY

NEET

IMPORTANT

Chapterwise/Topicwise Daily Practice Problems (DPP) Optics and Modern Physics NEET>Chapter 4 - Atoms>TOPICWISE QUESTIONS>Q 8

The minimum orbital angular momentum of the electron in Bohr theory of hydrogen atom is:

MEDIUM

NEET

IMPORTANT

Chapterwise/Topicwise Daily Practice Problems (DPP) Optics and Modern Physics NEET>Chapter 4 - Atoms>TOPICWISE QUESTIONS>Q 9

How much energy is required to remove the electron from a

{He}^{+}

ion in its ground state?

EASY

NEET

IMPORTANT

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

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

n

) as:

MEDIUM

NEET

IMPORTANT

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:

MEDIUM

NEET

IMPORTANT

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:

EASY

NEET

IMPORTANT

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:

MEDIUM

NEET

IMPORTANT

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

)