NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics: Questions 1488 - 1492 of 2320

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Question number: 1488

» Kinetic Theory of Gases » Equation of State of a Perfect Gas

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Question

One mole of ideal monoatomic gas is mixed with one mole of diatomic gas . What is γ mix for

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 1489

» 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.

270

Question number: 1490

» Kinetic Theory of Gases » Kinetic Energy and Temperature

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MCQ▾

Question

Root mean square velocity of a particle is v at pressure P. If pressure is increased two times, then the r. m. s. velocity becomes

Choices

Choice (4)Response

a.

v

b.

2 v

c.

0.5 v

d.

3 v

Question number: 1491

» Atoms and Nuclei » Binding Energy Per Nucleon

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Question

The mass of helium nucleus is less than that of its constituent particles by 0.03 a. m. u. The binding energy per nucleon of 2 He 4 nucleus will be,

Choices

Choice (4)Response

a.

21 MeV

b.

7 MeV

c.

3.5 MeV

d.

14 MeV

Question number: 1492

» Thermodynamics » Thermal Equilibrium

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MCQ▾

Question

Two Carnot engines A and B are operated in succession. The first one, A receives heat from a source at T 1 = 800 K and rejects to sink at T 2 K. The second engine B receives heat rejected by the first engine and rejects to another sink at T 3 =300K. If the work outputs of two engines are equal, then the value of T 2 will be

Choices

Choice (4)Response

a.

550K

b.

300K

c.

100K

d.

700 K

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