NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics: Questions 1554 - 1558 of 2184

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Question number: 1554

» Atoms and Nuclei » Binding Energy Per Nucleon

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MCQ▾

Question

If the mass of 3 Li 7 is 7.0163 a. m. u. , the binding energy per nucleon for 3 Li 7 will be,

Choices

Choice (4) Response

a.

zero

b.

39.25 MeV

c.

5.6 MeV

d.

1 MeV

Question number: 1555

» Atoms and Nuclei » Nuclear Fission and Fusion

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MCQ▾

Question

Fission of nuclei is possible because the binding energy per nucleon in them,

Choices

Choice (4) Response

a.

Increases with mass number at high mass number

b.

Decreases with mass number at low mass numbers

c.

Increases with mass number at low mass numbers

d.

Decreases with mass number at high mass number

Question number: 1556

» Kinetic Theory of Gases » Kinetic Energy and Temperature

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MCQ▾

Question

To double the volume of a given mass of an ideal gas at 27ºC keeping the pressure constant, one must raise the temperature in degree centigrade to

Choices

Choice (4) Response

a.

327

b.

54

c.

600

d.

627

Question number: 1557

» Atoms and Nuclei » Mass Defect

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MCQ▾

Question

Consider the decay of radium- (Ra 226) atom into an alpha particle and radon- (Rn 222). Then, what is the mass defect of the reaction-

Mass of radium -226 atom = 226.0256 u

Mass of radon - 222 atom = 222.0715 u

Mass of helium - 4 atom = 4.0026 u

Choices

Choice (4) Response

a.

0.0083 u

b.

0.0053 u

c.

0.083 u

d.

Question does not provide sufficient data or is vague

Question number: 1558

» 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