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Byju's Answer
Standard XII
Physics
Nuclear Radius
The approxima...
Question
The approximate radius of polonium nucleus of mass number 210 is:
A
7.72
×
10
−
15
m
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B
7.72
×
10
−
14
m
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C
4
×
10
−
9
m
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D
4
×
10
−
12
m
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Solution
The correct option is
A
7.72
×
10
−
15
m
Radius of nucleus can be estimated by,
R
=
1.3
×
10
−
13
×
A
1
3
Where A is the mass number.
∴
R
=
1.3
×
10
−
13
×
(
210
)
1
3
=
7.72
×
10
−
15
m
Hence, option
A
is correct.
Suggest Corrections
0
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