Atoms and Nuclei-Radioactive Decay Law (KVPY Stream-SA (Class 11) Physics): Questions 1 - 3 of 3

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Question number: 1

» Atoms and Nuclei » Radioactive Decay Law

Appeared in Year: 2009

MCQ▾

Question

U92235 atom disintegrates to Pb82207 with a half-life of 10 9 years. In the process it emits & alpha particles and n β - particles. Here n is

Choices

Choice (4) Response

a.

3

b.

7

c.

4

d.

14

Question number: 2

» Atoms and Nuclei » Radioactive Decay Law

MCQ▾

Question

89227Ac atom disintegrates to 82207Pb by emitting 5 alpha particle and n electrons. Here n is:

Choices

Choice (4) Response

a.

6

b.

7

c.

3

d.

10

Question number: 3

» Atoms and Nuclei » Radioactive Decay Law

Appeared in Year: 2012

MCQ▾

Question

92238U atom disintegrates to 84214Po with a half-life of 4.5×109 years by emitting six alpha particle and n electrons. Here n is:

Choices

Choice (4) Response

a.

6

b.

10

c.

4

d.

7

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