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Three consecutive absorption lines at 64 275 cm-1 77 130 cm-12...

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Atomic and Molecular Physics
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Three consecutive absorption lines at 64.275 cm-1, 77.130 cm-12 and 89.985 cm-1 have been observed in a microwave spectrum for a linear rigid diatomic molecule. The moments of inertia $${I_A}$$ and $${I_B}$$ are ($${I_A}$$ is with respect to the bond axis passing through the centre of mass and $${I_B}$$ is with respect to an axis passing through the centre of mass and perpendicular to bond axis)

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Correct Answer: Option B
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