A diatomic molecule is formed by two atoms which may be treated as mass points 
and 
, joined by a massless rod of length 
. Then the moment of inertia of the molecule about an axis passing through the centre of mass and perpendicular to rod is
a)
zero
b)
c)
d)
A diatomic molecule is formed by two atoms which may be treated as mass points and , joined by a massless rod of length . Then the moment of inertia of the molecule about an axis passing through the centre of mass and perpendicular to rod is
a)
zero
b)
c)
d)
Question ID - 53302 | SaraNextGen Top Answer
A diatomic molecule is formed by two atoms which may be treated as mass points and , joined by a massless rod of length . Then the moment of inertia of the molecule about an axis passing through the centre of mass and perpendicular to rod is
a)
zero
b)
c)
d)
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A diatomic molecule is formed by two atoms which may be treated as mass points |
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a) |
zero |
b) |
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c) |
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d) |
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1 Answer
127 votes
Answer Key / Explanation : (d) -
(d)
Total moment of inertia will be equal to the sum of moment of inertia due to individual masses.
.png)
where, 
.
Given, 
Also, 
127 votes
Answer Link
127