# NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics: Questions 1574 - 1577 of 2184

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## Question number: 1574

» Thermodynamics » Laws of Thermodynamics » Second Law of Thermodynamics

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MCQ▾

### Question

Which of the following processes are irreversible?

(1) Transfer of heat by radiation

(2) Electrical heating of a Ni chrome wire

(3) Transfer of heat by conduction

(4) Isothermal compression

Select the correct answers and mark it according to the following is:

### Choices

Choice (4) Response

a.

1 and 3 are correct

b.

1 and 2 are correct

c.

2 and 4 are correct

d.

1,2 and 3 are correct

## Question number: 1575

» Thermodynamics » Laws of Thermodynamics » First Law of Thermodynamics

Edit
Assertion-Reason▾

### 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

Edit
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

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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 In above figure we show six moles of an ideal gas performs a cycle.

### Choices

Choice (4) Response

a.

60 KJ

b.

30 kJ

c.

20 kJ

d.

40 kJ