A calorimeter contains 10 g of water at `20^(@)C`. The temperature falls to `15^(@)C` in 10 min. When calorimeter contains 20 g of water at `20^(@)C`, it takes 15 min for the temperature to becomes `15^(@)C`. The water equivalent of the calorimeter is

A calorimeter containes 50g of water at 50^(@)C . The temperature falls to 45^(@)C in 10 minutes. When the calorimeter contains 100g of water at 50^(@)C it takes 18 minutes for the temperature to become 45^(@)C . Find the water equivalent of the calorimeter.

A calorimeter containes 50g of water at 50^(@)C . The temperature falls to 45^(@)C in 10 minutes. When the calorimeter contains 100g of water at 50^(@)C it takes 18 minutes for the temperature to become 45^(@)C . Find the water equivalent of the calorimeter.

A calorimeter containes 50g of water at 50^(@)C . The temperature falls to 45^(@)C in 10 minutes. When the calorimeter contains 100g of water at 50^(@)C it takes 18 minutes for the temperature to become 45^(@)C . Find the water equivalent of the calorimeter.

When a calorimeter contains 40g of water at 50^(@)C , then the temperature falls to 45^(@)C in 10 minutes. The same calorimeter contains 100g of water at 50^(@)C , it takes 20 minutes for the temperature to become 45^(@)C . Find the water equivalent of the calorimeter.

When a calorimeter contains 40g of water at 50^(@)C , then the temperature falls to 45^(@)C in 10 minutes. The same calorimeter contains 100g of water at 50^(@)C , it takes 20 minutes for the temperature to become 45^(@)C . Find the water equivalent of the calorimeter.

When a calorimeter contains 40g of water at 50^(@)C , then the temperature falls to 45^(@)C in 10 minutes. The same calorimeter contains 100g of water at 50^(@)C , it takes 20 minutes for the temperature to become 45^(@)C . Find the water equivalent of the calorimeter.

The time taken for a calorimeter containing 75g of water at 62^(@)C to cool to 58^(@)C is 9 minutes. When the calorimeter contains 105g of water, it takes 12 minutes to cool from 62^(@)C " to " 58^(@)C . The water equivalent of the calorimeter is

A calorimeter contains 70.2 g of water at 15.3^@C . IF 143.7 g of water at 36.5^@C is mixed with it, the common temperature becomes 28.7^@C . The water equivalent of a calorimeter is