The water equivalent of 20 g of aluminium (specific heat 0.2 cal a -1 ° C -1 ). is

Question

The water equivalent of 20 g of aluminium (specific heat 0.2 cal a -1 ° C -1 ). is (A) 40 g (B) 4 g (C) 8 g (D) 160 g

Tardigrade Admin · Accepted Answer

0.2 × 20=4 [Thermal Capacity] Water equivalent numerically equal to thermal capacity So W=4 g

Q. The water equivalent of $20 g$ of aluminium (specific heat $0.2$ cal $a^{- 1}^{\circ} C^{- 1}$ ). is