NEET Physics: Questions 1505 - 1510 of 2098

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Question number: 1505

» Atoms and Nuclei » Composition and Size of Nucleus

MCQ▾

Question

The radius of the 30 Zn 64 nucleus is nearly (in fermi) -

Choices

Choice (4) Response

a.

2.4

b.

3.7

c.

1.2

d.

4.8

Question number: 1506

» Atoms and Nuclei » Radioactivity

Assertion-Reason▾

Assertion (Ꭺ)

Amongst α, β and γ - rays, γ has maximum penetrating power.

Reason (Ꭱ)

The α- particle is heavier than β and γ rays.

Choices

Choice (4) Response

a.

Both Ꭺ and Ꭱ are false

b.

Ꭺ is false but Ꭱ is true

c.

Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ

d.

Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ

Question number: 1507

» Thermodynamics » Laws of Thermodynamics » First Law of Thermodynamics

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.

-300 Joule

b.

- 528.2 Joule

c.

418 Joule

d.

654 Joule

Question number: 1508

» Thermodynamics » Thermal Equilibrium

MCQ▾

Question

A monatomic gas (y=92) is suddenly compressed to of its original volume adiabatically, than the pressure of the gas will change to,

Choices

Choice (4) Response

a.

245

b.

403

c.

8

d.

5 times its initial pressure

Question number: 1509

» Thermodynamics » Laws of Thermodynamics » First Law of Thermodynamics

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.

156.5 Joule

b.

- 528.2 Joule

c.

654 Joule

d.

-300 Joule

Question number: 1510

» Thermodynamics » Laws of Thermodynamics » First Law of Thermodynamics

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.

40 J

c.

150 J

d.

110 J

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