Question

200 g of a solid ball at 20⁰C is dropped in an equal amount of water at 80⁰C. The resulting temperature is 60⁰C. This means that specific heat of solid is –

• A. One fourth of water
• B. One half of water
• C. Twice of water
• D. Four times of water

Answer 1

Answer: (B)

One half of water

Answer 2

200 × s × 40 = 200 × 1 × 20

̃ s =$\frac{1}{2}$cal/gm/⁰C