NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics: Questions 1547 - 1551 of 2320

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Question number: 1547

» Thermodynamics » Concept of Temperature

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MCQ▾

Question

Work done by 0.2 mole of a gas at 30°C to double its volume at constant pressure is,

(R = 2 cal mol °K)

Choices

Choice (4)Response

a.

154 cal

b.

600 cal

c.

160 cal

d.

121.2 cal

Passage

Read the passage given below and answer the questions that follows:

V-T graph of a process of monoatomic ideal gas is as shown in figure.

Graph of volume vs pressure square depicts ABCD

Graph of Volume vs Pressure Square Depicts ABCD

Question number: 1548 (1 of 3 Based on Passage) Show Passage

» Thermodynamics » Laws of Thermodynamics » Second Law of Thermodynamics

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MCQ▾

Question

Heat is supplied to the gas in process (s) -

Choices

Choice (4)Response

a.

DA and AB only

b.

AB and BC only

c.

DA only

d.

DA, AB and DC

Question number: 1549 (2 of 3 Based on Passage) Show Passage

» Thermodynamics » Laws of Thermodynamics » Second Law of Thermodynamics

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MCQ▾

Question

Change in internal energy of the gas is zero in process (s) –

Choices

Choice (4)Response

a.

DA and BC only

b.

DA, AB and BC

c.

DA and AB only

d.

DA only

Question number: 1550 (3 of 3 Based on Passage) Show Passage

» Thermodynamics » Laws of Thermodynamics » Second Law of Thermodynamics

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MCQ▾

Question

Sum of work done by the gas in process ABCD is –

Choices

Choice (4)Response

a.

zero

b.

data is insufficient

c.

negative

d.

positive

Question number: 1551

» Thermodynamics » Laws of Thermodynamics » Second Law of Thermodynamics

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Assertion-Reason▾

Question

Assertion (Ꭺ)

It is not possible for a system, unaided by external agency to transfer heat from a body at low temperature to another body at higher temperature.

Reason (Ꭱ)

According to Clauses statement, A process is possible whose sole result is the transfer heat from a cooled object to a hotter object.

Choices

Choice (4)Response

a.

Both Ꭺ and Ꭱ are false

b.

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

c.

Ꭺ is true but Ꭱ is false

d.

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

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