You have a choice of three metals A, B and C, of specific heat capacities $900$ $J k g^{- 10} C^{- 1}$ , $380$ $J k g^{- 10} C^{- 1}$ and $460$ $J k g^{- 10} C^{- 1}$ respectively, to make a calorimeter. Which material will you select? Justify your answer.

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Solution

Heat energy required to raise the temperature of the body is given by $Q = m S Δ T$
where $S$ is the specific heat capacity of the body.
So, more is the specific heat of the body, more is the heat energy required to rise its temperature by $1^{o} C$ and vice-versa.
Hence the material of the calorimeter should have least specific heat capacity so that less heat energy is required to rise its temperature. So, we must select the metal B to make calorimeter.

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Similar questions

Q. Given equal masses of aluminium and copper, which would require more heat if both are heated to the same temperature. Justify your answer.
[Specific heat capacity of

A l = 899 J k g^{- 1} C^{- 1}

and

C u = 387 J k g^{- 1} C^{- 1}

]

(a) What is calorimeter?

(b) Name the material of which it is made of. Give two reasons for using the material stated by you.

(c) Out of the three metals A,B and C of specific heat capacity 900 J k $g^{- 1}^{\circ} C^{- 1}, 380 J k g^{- 1}^{\circ} C^{- 1} a n d 460 J k g^{- 1}^{\circ} C^{- 1}$ respectively,which will you prefer for calorimeter? Give reason.

(d) How is the loss of heat due to radiation minimized in a calorimeter?

The S.I. unit of specific heat capacity is :

(a) J k $g^{- 1}$ (b) J $K^{- 1}$

Q. The specific heat capacity of water is __________

J k g^{- 1} K^{- 1}

Q. A metal ball of mass

0.1

kg is heated upto

500^{o}

C and dropped into a vessel of heat capacity

800

J K^{- 1}

and containing

0.5

kg water. The initial temperature of water and vessel is

30^{o}

C. What is the approximate percentage increment in the temperature of the water? [Specific Heat Capacities of water and metal are, respectively,

4200

J k g^{- 1} K^{- 1}

and

400

J K g^{- 1} K^{- 1}

]

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You have a choice of three metals A, B and C, of specific heat capacities 900 Jkg−10C−1, 380 Jkg−10C−1 and 460 Jkg−10C−1 respectively, to make a calorimeter. Which material will you select? Justify your answer.

You have a choice of three metals A, B and C, of specific heat capacities $900$ $J k g^{- 10} C^{- 1}$ , $380$ $J k g^{- 10} C^{- 1}$ and $460$ $J k g^{- 10} C^{- 1}$ respectively, to make a calorimeter. Which material will you select? Justify your answer.