# Thermodynamics (NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics): Questions 81 - 85 of 86

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## Question number: 81

» Thermodynamics » Concept of Temperature

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

### Choices

Choice (4) Response

a.

60 KJ

b.

40 kJ

c.

20 kJ

d.

30 kJ

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## Question number: 82

» Thermodynamics » Concept of Temperature

MCQ▾

### Question

A Carnot engine whose low temperature reservoir is at 17 C has an efficiency of 50%. It is desired to increase the efficiency to 70%. By how. many degrees should the temperature of the high temperature reservoir be increased

### Choices

Choice (4) Response

a.

280 K

b.

560 K

c.

840K

d.

380K

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## Question number: 83

» Thermodynamics » Concept of Temperature

Appeared in Year: 2016

MCQ▾

### Question

The temperature inside a refrigerator is and the room temperature is . The amount of heat deliver to the room for each joule of electrical energy consumed ideally will be –

### Choices

Choice (4) Response

a.

b.

c.

d.

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## Question number: 84

» Thermodynamics » Work in Thermodynamic Process and PV Diagrams

Appeared in Year: 2016

MCQ▾

### Question

One mole of an ideal monatomic gas undergoes a process described by the equation . The heat capacity of the gas during this process is –

### Choices

Choice (4) Response

a.

b.

c.

d.

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## Question number: 85

» Thermodynamics » Work in Thermodynamic Process and PV Diagrams

Appeared in Year: 2017

Match List-Ⅰ List-Ⅱ▾

### Question

Thermodynamic processes are indicated in the following diagram:

Match the following:

List-Ⅰ (Group I) List-Ⅱ (Group II)

(A)

(i)

(B)

(ii)

Isobaric

(C)

(iii)

Isothermal

(D)

(iv)

Isochoric

### Choices

Choice (4) Response
• (A)
• (B)
• (C)
• (D)

a.

• (i)
• (ii)
• (iv)
• (iii)

b.

• (ii)
• (iv)
• (i)
• (iii)

c.

• (iii)
• (i)
• (iv)
• (ii)

d.

• (ii)
• (iv)
• (iii)
• (i)

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