Question

The amount of heat required to raise the temperature of $1$ kilogram of water by $1^o$C is called.

• A. Kilo-calorie
• B. Calorie
• C. B.T.U
• D. Calorie${/}^o$C

Answer 1

The correct option is A Kilo-calorie

S = 1cal/g/℃

$\Rightarrow$ = 100cal/kg/℃

$△$T = 1℃

Q = ms$△$T

$\Rightarrow$ = $1\times 1\times 100\times 1$

$\Rightarrow$ = 100cal

$\Rightarrow$ = 1Kcal

$\Rightarrow$ = 1 kilo-calorie.

Hence , OPTION : A (kilo-calorie).