23 verified questions · ~25 minutes · answer key checked against the official NTA final key across multiple sources. Text-only questions (diagram-based excluded until they can be shown properly).
The translational degrees of freedom (fₜ) and rotational degrees of freedom (fᵣ) of a CH₄ molecule are :
The magnetic moment of a bar magnet is 0.5 A m². It is suspended in a uniform magnetic field of 8 × 10⁻² T. The work done in rotating it from its most stable to most unstable position is :
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