$1 K g$ of iron (specific heat $120 C a l {k g}^{- 1} C^{- 1}$ ) is heated by $1000^{o} C$ . The increase in its mass is

Zero

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5.6 \times 10^{- 8} k g

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5.6 \times 10^{- 16} k g

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5.6 \times 10^{- 12} k g

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Solution

The correct option is A Zero
Given : 1 Kg of iron (specific heat $120 C a l k g^{- 1} C^{- 1}$ ) is heated by $1000^{o} C$ . The increase in its mass is

Solution :
Change in temperature results only in change of volume . Change in temperature cannot change the mass of the object.
The Correct Opt= A

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