The internal energy of a substance:

increases with increase in temperature.

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decreases with increase in temperature.

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remains unaffected with temperature.

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can be calculated by the reaction,

E = m c^{2}

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Solution

The correct option is B increases with increase in temperature.
The internal energy of a substance increases with increase in temperature due to increase in rotational, translational and vibrational energy of the molecule.

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The internal energy of a substance:

The correct option is B increases with increase in temperature.The internal energy of a substance increases with increase in temperature due to increase in rotational, translational and vibrational energy of the molecule.

The correct option is B increases with increase in temperature.
The internal energy of a substance increases with increase in temperature due to increase in rotational, translational and vibrational energy of the molecule.