# Thermodynamics (NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics): Questions 1 - 5 of 86

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## Question number: 1

» Thermodynamics » Concept of Temperature

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MCQ▾

### Question

In the following P-V diagram two adiabatic cut two isothermals at temperatures T 1 and T 2 (figure). The value of will be The P-V Diagram and Rectangle Abcd Formed In above figure we shows that the following P-V diagram two adiabatic cut two isothermals.

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 2

» Thermodynamics » Concept of Temperature

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MCQ▾

### Question

A given system undergoes a change in which the work done by the system equals the decrease In its internal energy. The system must have undergone an

### Choices

Choice (4) Response

a.

Isobaric change

b.

c.

Isothermal change

d.

Isochoric change

## Question number: 3

» Thermodynamics » Laws of Thermodynamics » First Law of Thermodynamics

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MCQ▾

### Question

The latent heat of vaporization of water is 2240 J/gm. If the work done in the process of expansion of 1 g of water is 168 J, then increase in internal energy is

### Choices

Choice (4) Response

a.

2072 J

b.

2408 J

c.

2240 J

d.

1904 J

## Question number: 4

» Thermodynamics » Laws of Thermodynamics » First Law of Thermodynamics

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MCQ▾

### Question

When an ideal gas in a cylinder was compressed isothermally by a piston, the work done on the gas was found to be 1.5 × 10 4 Joule. During this process about

### Choices

Choice (4) Response

a.

3.6 × 10 3 cal of heat flowed out from the gas

b.

1.5 × 10 4 cal of heat flowed out from the gas

c.

3.6 × 10 3 cal of heat flowed into the gas

d.

1.5 × 10 4 cal of heat flowed into the gas

## Question number: 5

» Thermodynamics » Laws of Thermodynamics » First Law of Thermodynamics

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MCQ▾

### Question

When an ideal gas in a cylinder was compressed isothermally by a piston, the work done on the gas was found to be 2.0 × 10 4 Joule. During this process about

### Choices

Choice (4) Response

a.

2.0 × 10 3 cal of heat flowed out from the gas

b.

4.7 × 10 3 cal of heat flowed into the gas

c.

4.7 × 10 3 cal of heat flowed out from the gas

d.

2.0 × 10 3 cal of heat flowed into the gas

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