Thermodynamics-Concept of Temperature (NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics): Questions 7 - 11 of 36

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 2142 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 550.00 or

Question number: 7

» Thermodynamics » Concept of Temperature

MCQ▾

Question

One mole of a perfect gas in a cylinder fitted with a piston has a pressure P, volume V and temperature T. If the temperature is increased by 1 K keeping pressure constant, the increase in volume is

Choices

Choice (4) Response

a.

b.

c.

V

d.

Question number: 8

» Thermodynamics » Concept of Temperature

MCQ▾

Question

Work done by 0.1 mole of a gas at 27°C to double its volume at constant pressure is (R = 2 cal mol °K)

Choices

Choice (4) Response

a.

546 cal

b.

600 cal

c.

60 cal

d.

54 cal

Question number: 9

» Thermodynamics » Concept of Temperature

MCQ▾

Question

An ideal gas at 27°C is compressed adiabatically to of its original volume. If , then the rise in temperature

Choices

Choice (4) Response

a.

450 K

b.

405 K

c.

225 K

d.

375 k

Question number: 10

» Thermodynamics » Concept of Temperature

MCQ▾

Question

An ideal gas expands isothermally from a volume V 1 to V 2 and then compressed to original volume V 1 adiabatically. Initial pressure is P 1 and final pressure is P 3. The total work done is W. Then

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 11

» Thermodynamics » Concept of Temperature

Assertion-Reason▾

Assertion (Ꭺ)

The specific heat of a gas in an adiabatic process is zero and in an isothermal process is infinite.

Reason (Ꭱ)

Specific heat of a gas is directly proportional to change of heat in system and inversely proportional change in temperature.

Choices

Choice (4) Response

a.

Both Ꭺ and Ꭱ are false

b.

Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ

c.

Ꭺ is true but Ꭱ is false

d.

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

f Page
Sign In