Atoms and Nuclei-Nuclear Fission and Fusion (AIIMS Physics): Questions 6 - 7 of 7

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 500 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 350.00 or

Question number: 6

» Atoms and Nuclei » Nuclear Fission and Fusion

Appeared in Year: 2004

Assertion-Reason▾

Assertion (Ꭺ)

Heavy water is preferred over ordinary water as a moderator in reactors.

Reason (Ꭱ)

Heavy water used for slowing down the neutrons; has lesser absorption probability of neutrons than ordinary water.

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: 7

» Atoms and Nuclei » Nuclear Fission and Fusion

MCQ▾

Question

What amount of energy will be liberated in one kg fusion reaction? The mass defect in a nuclear fusion reaction is 0.03%.

Choices

Choice (4) Response

a.

3×1012J

b.

12×1012J

c.

0.3×1012J

d.

9×1012J

Sign In