NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics: Questions 1508 - 1513 of 2184

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Question number: 1508

» Thermodynamics » Laws of Thermodynamics » First Law of Thermodynamics

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MCQ▾

Question

A system is given 500 calories of heat and it does 600 joules of work. The internal energy of the system change in this process is (J = 4.18 Joule/cal)

Choices

Choice (4) Response

a.

654 Joule

b.

418 Joule

c.

- 528.2 Joule

d.

-300 Joule

Question number: 1509

» Thermodynamics » Thermal Equilibrium

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MCQ▾

Question

A monatomic gas is suddenly compressed to of its original volume adiabatically, than the pressure of the gas will change to,

Choices

Choice (4) Response

a.

b.

8

c.

5 times its initial pressure

d.

Question number: 1510

» Thermodynamics » Laws of Thermodynamics » First Law of Thermodynamics

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MCQ▾

Question

A system is given 300 calories of heat and it does 600 joules of work. The internal energy of the system change in this process is (j = 4.18 Joule/cal)

Choices

Choice (4) Response

a.

-300 Joule

b.

654 Joule

c.

156.5 Joule

d.

- 528.2 Joule

Question number: 1511

» Thermodynamics » Laws of Thermodynamics » First Law of Thermodynamics

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MCQ▾

Question

110 J of heat is added to a gaseous system, whose internal energy change is 40 J, then the amount of external work done is

Choices

Choice (4) Response

a.

70 J

b.

110 J

c.

40 J

d.

150 J

Question number: 1512

» Thermodynamics » Concept of Temperature

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MCQ▾

Question

The efficiency of Carnot’s engine operating between reservoirs, maintained at temperatures 27 degree Celsius and -113 degree Celsius

Choices

Choice (4) Response

a.

46%

b.

0.4%

c.

50%

d.

0.75%

Question number: 1513

» Atoms and Nuclei » Atomic Masses

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MCQ▾

Question

The ratio of the radii of the nuclei 13 Al 27 and 52 Te 125 is approximately -

Choices

Choice (4) Response

a.

13: 52

b.

40: 177

c.

14: 73

d.

6: 10