Advertisements
Advertisements
प्रश्न
उत्तर
APPEARS IN
संबंधित प्रश्न
How is the transference of heat energy by radiation prevented in a calorimeter?
200 g of hot water at 80°C is added to 400 g of cold water at 10°C. Neglecting the heat taken by the container, calculate the final temperature of the mixture of water. Specific heat capacity of water = 4200 J kg-1K-1.
Find the result of mixing 10 g of ice at - 10℃ with 10 g of water at 10℃. Specific heat capacity of ice = 2.1 J kg-1 K-1, Specific latent heat of ice = 336 J g-1 and specific heat capacity of water = 4.2 J kg-1 K-1.
Fill in the following blank using suitable word:
Whenever mechanical work is done, .......... Is produced.
Which requires more heat: 1 g ice at 0°C or 1 g water at 0°C to raise its temperature to 10°C? Explain your answer.
How is the loss of heat due to radiation minimised in a calorimeter?
1 kg of steam condenses to water at 100°C. How many joules of heat energy is liberated?
Why do doctors advise to put a strip of wet cloth on the forehead of a person having high fever (temperature)?
Find the final temperature when a mass of 80g of water at 100°C is mixed with a mass of 40g of water at 25°C.
The device which is used to measure the heat capacity of the liquid is ______.
