NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics: Questions 1542 - 1546 of 2320

Access detailed explanations (illustrated with images and videos) to 2320 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. Unlimited Access for Unlimited Time! View Sample Explanation or View Features.

Rs. 600.00 or

How to register?

Question number: 1542

» Atoms and Nuclei » Radioactivity

Edit
Assertion-Reason▾

Question

Assertion (Ꭺ)

The mass of β -particles when they are emitted is higher than the mass of electrons obtained by other means.

Reason (Ꭱ)

β -particle and electron, both are similar particles.

Choices

Choice (4)Response

a.

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

b.

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

c.

Ꭺ is true but Ꭱ is false

d.

Both Ꭺ and Ꭱ are false

Question number: 1543

» Kinetic Theory of Gases » Kinetic Energy and Temperature

Edit
MCQ▾

Question

The kinetic energy of one gram molecule of a gas at 70 0 C temperature and normal pressure is (R = 8.31 J/mole- K)

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 1544

» Atoms and Nuclei » Composition and Size of Nucleus

Edit
MCQ▾

Question

How many electrons, protons, and neutrons are there in a nucleus of atomic number 11 and mass number 24?

Choices

Choice (4)Response

a.

12,11,13

b.

11,11,13

c.

11,13, -12

d.

11,12,13

Question number: 1545

» Kinetic Theory of Gases » Kinetic Energy and Temperature

Edit
MCQ▾

Question

If pressure of a gas contained in a closed vessel is increased 0.2 % when heated by 1°C, the initial temperature must be

Choices

Choice (4)Response

a.

250 K

b.

25°C

c.

500 K

d.

Question does not provide sufficient data or is vague

Question number: 1546

» Kinetic Theory of Gases » Kinetic Energy and Temperature

Edit
Assertion-Reason▾

Question

Assertion (Ꭺ)

Equal masses of helium and oxygen gases are given equal quantities of heat. There will be a greater rise in the temperature of helium compared to that of oxygen.

Reason (Ꭱ)

The molecular weight of oxygen is more than the molecular weight of helium.

Choices

Choice (4)Response

a.

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

b.

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

c.

Ꭺ is true but Ꭱ is false

d.

Ꭺ is false but Ꭱ is true

Developed by: