Q137 / 160 · TS EAMCET 2022 (18 Jul Shift 2) · Physics

A metal cube absorbs $2100.0 J$ of heat when its temperature is raised by $2 ° C$ . If the specific heat of the metal is $900 J {kg}^{- 1} K^{- 1}$ , then the mass of the cube is

Correct answer
A
$1.16 kg$
B
$2.33 kg$
C
$1.66 kg$
D
$1.33 kg$

Solution

Specific heat is the quantity of heat required to raise the temperature of one gram of a substance by one Celsius degree.
$\Rightarrow H = m s ∆ T \Rightarrow m = \frac{H}{s ∆ T} = \frac{2100}{900 \times 2} = 1.16 kg$

Hence, the correct answer is option: 'A'.

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A metal cube absorbs 2100.0 J of heat when its temperature is raised by 2 °C. If the specific heat of the metal is 900 J kg-1 K-1, then the mass of the cube is

Solution

Relevant Questions

A metal cube absorbs $2100.0 J$ of heat when its temperature is raised by $2 ° C$ . If the specific heat of the metal is $900 J {kg}^{- 1} K^{- 1}$ , then the mass of the cube is