NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics: Questions 1575 - 1579 of 2320

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Question number: 1575

» Thermodynamics » Laws of Thermodynamics » First Law of Thermodynamics

Edit
Assertion-Reason▾

Question

Assertion (Ꭺ)

In isothermal process whole heat energy supplied to the body is converted into inter energy.

Reason (Ꭱ)

According to the first law of thermodynamics,

Choices

Choice (4)Response

a.

Ꭺ is false but Ꭱ is true

b.

Ꭺ is true but Ꭱ is false

c.

Both Ꭺ and Ꭱ are false

d.

Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ

Question number: 1576

» Kinetic Theory of Gases » Kinetic Energy and Temperature

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MCQ▾

Question

At room temperature, the r. m. s. speed of the molecules of certain diatomic gas is found to be 1930 m/s. The gas is

Choices

Choice (4)Response

a.

Cl 2

b.

H 2

c.

O 2

d.

F 2

Question number: 1577

» Thermodynamics » Concept of Temperature

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MCQ▾

Question

Six moles of an ideal gas performs a cycle shown in figure. If the temperature T A = 600K, T B = 800 K, T C = 2200K and T D = 1200. K, the work done per

System of ideal gas Temperature at A, B, C and D

System of Ideal Gas Temperature at a, B, C and D

Choices

Choice (4)Response

a.

60 KJ

b.

30 kJ

c.

20 kJ

d.

40 kJ

Question number: 1578

» Thermodynamics » Concept of Temperature

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MCQ▾

Question

A Carnot engine whose low temperature reservoir is at 17 C has an efficiency of 50%. It is desired to increase the efficiency to 70%. By how. many degrees should the temperature of the high temperature reservoir be increased

Choices

Choice (4)Response

a.

560 K

b.

380K

c.

840K

d.

280 K

Question number: 1579

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

Edit
MCQ▾

Question

Two mole of ideal monoatomic gas is mixed with two mole of diatomic gas . What is γ for

Choices

Choice (4)Response

a.

2

b.

c.

d.

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