Atomic Structure-Bohr Model of Hydrogen Atom (NEET (NTA)-National Eligibility cum Entrance Test (Medical) Chemistry): Questions 1 - 5 of 9

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Question number: 1

» Atomic Structure » Bohr Model of Hydrogen Atom

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Question

One of the postulate Bohr’s atomic model is

Choices

Choice (4) Response

a.

The emission and absorption of energy does not take place continuously but in the form of quantum.

b.

Uncertainty in measurement is not due to lack of any experimental technique but due to nature of subatomic particle itself

c.

The electron can move in only those circular orbits where the angular momentum is a whole number multiply of h/2

d.

All of the above

Question number: 2

» Atomic Structure » Bohr Model of Hydrogen Atom

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Question

The total energy of electron of H- atom in a second quantum state is . The total energy of atom in the third quantum state is?

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 3

» Atomic Structure » Bohr Model of Hydrogen Atom

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Question

How many times does light travel faster in vacuum than an electron in Bohr first orbit of hydrogen atom?

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Choice (4) Response

a.

b.

c.

d.

Question number: 4

» Atomic Structure » Bohr Model of Hydrogen Atom

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Question

What is the energy in required to excite the electron from state in hydrogen atom? (n- principal quantum number).

Choices

Choice (4) Response

a.

10.2

b.

3.4

c.

13.6

d.

17

Question number: 5

» Atomic Structure » Bohr Model of Hydrogen Atom

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Question

Which transition of the Hydrogen spectrum would have the same length as the Balmer transition, of spectrum?

Choices

Choice (4) Response

a.

to

b.

to

c.

to

d.

to

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