Equal volumes of monoatomic and diatomic gases at the same temperature are given equal quantities of heat. Then,

the temperature of diatomic gas will be more

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the temperature of monoatomic gas will be more

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the temperature of both will be zero

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nothing can be said

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Solution

The correct option is D the temperature of monoatomic gas will be more
Energy required to increase the temperature of one mole of monoatomic gas by $Δ T$ = $3 / 2 \times R \times Δ T$
Energy required to increase the temperature of one mole of a diatomic gas by $Δ T$ = $5 / 2 \times R \times Δ T$
So, for equal volume i.e. equal moles equal amount of heat will increase the temperature of a monoatomic gas more than the diatomic gas

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