Atoms and Nuclei-Composition and Size of Nucleus (NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics): Questions 1 - 5 of 5

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Question number: 1

» Atoms and Nuclei » Composition and Size of Nucleus

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MCQ▾

Question

How many electrons, protons and neutrons are there in a 6 gm of 6 C 12?

Choices

Choice (4)Response

a.

36 × 1023,36 × 1023,36 × 1023

b.

18 × 1023,18 × 1023,18 × 1023

c.

12 × 1023,12 × 1023,12 × 1023

d.

6 × 1023,6 × 1023,6 × 1023

Question number: 2

» Atoms and Nuclei » Composition and Size of Nucleus

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MCQ▾

Question

The radius of the 30 Zn 64 nucleus is nearly (in fermi) -

Choices

Choice (4)Response

a.

2.4

b.

4.8

c.

1.2

d.

3.7

Question number: 3

» Atoms and Nuclei » Composition and Size of Nucleus

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Question

How many electrons, protons, and neutrons are there in a nucleus of atomic number 11 and mass number 24?

Choices

Choice (4)Response

a.

12,11,13

b.

11,11,13

c.

11,13, -12

d.

11,12,13

Question number: 4

» Atoms and Nuclei » Composition and Size of Nucleus

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MCQ▾

Question

Nuclear radius of 8 O 16 is 3 × 10 -15 m. Find the density of nuclear matter.

Choices

Choice (4)Response

a.

1.66 × 10 17 kgm 3

b.

7.5 × 10 17 kgm -3

c.

5.7 × 10 17 kgm 3

d.

2.3 × 10 17 kgm -3

Question number: 5

» Atoms and Nuclei » Composition and Size of Nucleus

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MCQ▾

Question

molecule consists of two oxygen atoms. In the molecule, nuclear force between the nuclei of the two atoms

Choices

Choice (4)Response

a.

Cancels the repulsive electrostatic force between the nuclei.

b.

Is not important because nuclear forces are short-ranged.

c.

Is not important because oxygen nucleus have equal number of neutrons and protons.

d.

Is as important as electrostatic force for binding the two atoms.

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