Advertisements
Advertisements
प्रश्न
You have a choice of three metals A, B, and C, of specific heat capacities 900 Jkg-1 °C-1, 380 Jkg-1 °C-1 and 460 Jkg-1 °C-1 respectively, to make a calorimeter. Which material will you select? Justify your answer.
Advertisements
उत्तर
Metal B with specific heat capacity 380 Jkg-1°C-1 should be selected to make a calorimeter. By selecting this metal, the heat capacity of the calorimeter will be reduced and the amount of heat energy consumed by it from its contents to acquire their final temperature will also be negligible.
APPEARS IN
संबंधित प्रश्न
A heater of power P watt raises the temperature of m kg of a liquid by Δt K in time t s. Express
the specific heat capacity of liquid in terms of above data.
What is the specific heat capacity of boiling water?
The product of mass and specific heat is known as ..........
What change in heat energy occurs when lead at its melting point
solidifies without change in the temperature?
Explain, why temperature in hot summer, falls sharply after a sharp shower?
If, in a central heating system, steam enters a radiation pipe at 100°C and water leaves the radiation pipe at 100°C, can this radiation pipe heat a room? Give an explanation for your answer.
1 kg of water freezes to form ice at 0°C. What amount of heat is withdrawn?
A monoatomic gas of pressure 'P' having volume 'V' expands isothermally to a volume '2V' and then adiabatically to a volume '16V'. The final pressure of the gas is ______.
(ratio of specific heats = `5/3`)
Prove the Mayer's relation `C_p - C _v = R/J`
