NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics: Questions 1489 - 1494 of 2184

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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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MCQ▾

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

Question number: 1493

» Atoms and Nuclei » Binding Energy Per Nucleon

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MCQ▾

Question

Deuterium is an isotope of hydrogen having a mass of 2.01470 a. m. u. Find binding energy in MeV of this isotope,

Choices

Choice (4) Response

a.

0.741 MeV

b.

2.174 MeV

c.

2.741 MeV

d.

1.741 MeV

Question number: 1494

» Thermodynamics » Concept of Temperature

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MCQ▾

Question

The temperature of sink of Carnot engine is 27°C and Efficiency of engine is 40%. Then temperature of source

Choices

Choice (4) Response

a.

27ºC

b.

127°C

c.

227ºC

d.

327°C