# Thermodynamics (BITSAT Physics): Questions 7 - 12 of 16

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## Question number: 7

» Thermodynamics » Laws of Thermodynamics » First Law of Thermodynamics

MCQ▾

### Question

When the amount of work done is and change in internal energy is , then the heat supplied is

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 8

» Thermodynamics » Work in Thermodynamic Process and PV Diagrams

MCQ▾

### Question

The first operation involved in a Carnot cycle is

### Choices

Choice (4) Response

a.

Isothermal compression

b.

c.

d.

Isothermal expansion

## Question number: 9

» Thermodynamics » Laws of Thermodynamics » First Law of Thermodynamics

MCQ▾

### Question

If the heat of is added to a gaseous system, whose internal energy is , then the amount of external work done is

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 10

» Thermodynamics » Concept of Temperature

MCQ▾

### Question

If a thermometer reads freezing point of water as and boiling point as how much thermometer read when the actual temperature is

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 11

» Thermodynamics » Concept of Temperature

MCQ▾

### Question

When the atmospheric temperature becomes nearly equal to the dew point, then

### Choices

Choice (4) Response

a.

Relative humidity is 90%

b.

Relative humidity is 100%

c.

Relative humidity is 50%

d.

Nothing can be said

## Question number: 12

» Thermodynamics » Concept of Temperature

MCQ▾

### Question

A Centigrade and a Fahrenheit thermometer are dipped in boiling water. The water temperature is lowered until the Fahrenheit thermometer registers . The fall in temperature as registered by the Centigrade thermometer will be –

### Choices

Choice (4) Response

a.

b.

c.

d.

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