NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics: Questions 1552 - 1556 of 2320

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Question number: 1552

» Atoms and Nuclei » Mass-Energy Relation

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MCQ▾

Question

If mass equivalent to one mass of proton is completely converted into energy then determine the energy produced?

Choices

Choice (4)Response

a.

911.49 MeV

b.

931.49 MeV

c.

431.49 MeV

d.

731.49 MeV

Question number: 1553

» Thermodynamics » Concept of Temperature

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MCQ▾

Question

An ideal heat engine working between temperature T and r, has an efficiency η, the new efficiency of engine if both the source and sink temperature are doubled, will be

Choices

Choice (4)Response

a.

b.

c.

d.

η

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

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