Atoms and Nuclei (AIIMS (All India Institute of Medical Sciences) Physics): Questions 11 - 13 of 32

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Question number: 11

» Atoms and Nuclei » Radioactivity

Appeared in Year: 2006

Assertion-Reason▾

Assertion (Ꭺ)

Cobalt-60 is useful in cancer therapy.

Reason (Ꭱ)

Cobalt-60 is source ofEquation radiations capable of killing cancerous cell.

Choices

Choice (4) Response

a.

Ꭺ is false but Ꭱ is true

b.

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

c.

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

d.

Ꭺ is true but Ꭱ is false

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Question number: 12

» Atoms and Nuclei » Radioactive Decay Law

Appeared in Year: 2004

Assertion-Reason▾

Assertion (Ꭺ)

90Sr from the radioactive fail out from a nuclear bomb ends up in the bones of human beings through the milk consumed by them. It causes impairment of the production of red blood cells.

Reason (Ꭱ)

The energetic Equation – particles emitted in the decay of 90Sr damage the bone marrow.

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 false

c.

Ꭺ is true but Ꭱ is false

d.

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

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Question number: 13

» Atoms and Nuclei » Binding Energy Per Nucleon

Appeared in Year: 2004

Assertion-Reason▾

Assertion (Ꭺ)

Nuclear binding energy per nucleon is in the order

Reason (Ꭱ)

Binding energy per nuclear increases linearly with difference in number of neutrons and protons.

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 false but Ꭱ is true

d.

Both Ꭺ and Ꭱ are false

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