NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics: Questions 1493 - 1496 of 2320

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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

Question number: 1495

» Kinetic Theory of Gases » Kinetic Energy and Temperature

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MCQ▾

Question

From the following statements, concerning ideal gas at any given temperature T, select the correct one (s)

(1) The coefficient of volume expansion at constant pressure is same for all ideal gases

(2) In a gaseous mixture, the average translational kinetic energy of the molecules of each component is same

(3) The mean free path of molecules increases with the decrease in pressure

(4) The average translational kinetic energy per molecule of oxygen gas is 3KT (K being Boltzmann constant)

Select the correct answers and mark it according to the following codes:

Choices

Choice (4)Response

a.

1 and 2 are correct

b.

1 and 3 are correct

c.

1,2 and 3 are correct

d.

2 and 4 are correct

Question number: 1496

» Kinetic Theory of Gases » Kinetic Energy and Temperature

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MCQ▾

Question

If pressure of a gas contained in a closed vessel is increased 0.4 % when heated by 1°C, the initial temperature must be

Choices

Choice (4)Response

a.

250 K

b.

2500 K

c.

250°C

d.

25°C

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