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Standard X

Physics

Specific Heat Capacity

If the specif...

Question

If the specific heat capacity of metal is $200 J k g^{- 1} K^{- 1}$ , how much additional heat energy will the metal give out in cooling to - $50^{o}$ C?

25, 000 J

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25, 500 J

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24, 500 J

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None of the above

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Solution

The correct option is C $25, 500 J$
Amount of heat given out $= m s (T_{2} - T_{1})$
$= 0.15 \times 200 \times 850 = 25500 J$

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If the specific heat capacity of metal is 200Jkg−1K−1, how much additional heat energy will the metal give out in cooling to - 50oC?

The correct option is C 25,500JAmount of heat given out =ms(T2−T1) =0.15×200×850=25500 J

If the specific heat capacity of metal is $200 J k g^{- 1} K^{- 1}$ , how much additional heat energy will the metal give out in cooling to - $50^{o}$ C?

The correct option is C $25, 500 J$
Amount of heat given out $= m s (T_{2} - T_{1})$
$= 0.15 \times 200 \times 850 = 25500 J$