# NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics: Questions 1522 - 1526 of 2320

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## Question number: 1522

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MCQ▾

### Question

An ideal gas at 25°C is compressed adiabatically to of its original volume. If , then the rise in temperature,

### Choices

Choice (4)Response

a.

225 K

b.

375 K

c.

405 K

d.

530 K

## Question number: 1523

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MCQ▾

### Question

Two Carnot engines A and B are operated in succession. The first one, A receives heat from a source at r 1 = 700 and rejects to sink at T 2 K. The second engine B receives heat rejected by the first engine and rejects to another sink at r 3 = 300K. If the work outputs of two engines are equal, then the value of T 2 will be

### Choices

Choice (4)Response

a.

700 K

b.

550K

c.

300K

d.

500K

## Question number: 1524

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MCQ▾

### Question

A gas mixture consists of 4 moles of oxygen and 10 moles argon at temperature T neglecting all vibrational modes, the total internal energy of the system is

### Choices

Choice (4)Response

a.

11 RT

b.

15 RT

c.

25 RT

d.

29 RT

## Question number: 1525

» Thermodynamics » Laws of Thermodynamics » First Law of Thermodynamics

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MCQ▾

### Question

In changing the state of thermodynamics from A to B state, dg heat required is Q and the work done by the system is W. Tae change in its internal energy is

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 1526

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MCQ▾

### Question

Which of the following statements is true?

### Choices

Choice (4)Response

a.

The root mean square speed of the molecules of different ideal gases, maintained at the same temperature are the same

b.

Absolute zero temperature is not zero energy temperature

c.

Given sample of 1 cc of hydrogen and 1 cc of oxygen both at NTP; oxygen sample has a large number of molecules

d.

Two different gases at the same temperature and pressure have equal root mean square velocities.

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