Advertisements
Advertisements
प्रश्न
Specific heat capacity of a substance X is 1900 Jkg-1°C-1 means ______.
विकल्प
Substance X absorbs 1900 J for 1°C rise in temperature
1 kg of substance X absorbs 1900 J heat for 1°C rise in temperature
1 kg of substance X absorbs 1900 J heat to increase the temperature
1 kg of substance X absorbs 1900 J heat to cool down by 1°C
Advertisements
उत्तर
Specific heat capacity of a substance X is 1900 Jkg-1°C-1 means 1 kg of substance X absorbs 1900 J heat for 1°C rise in temperature.
Explanation:
According to the definition of specific heat capacity.
APPEARS IN
संबंधित प्रश्न
Heat energy is supplied at a constant rate to 100g of ice at 0 °C. The ice is converted into water at 0° C in 2 minutes. How much time will be required to raise the temperature of water from 0 °C to 20 °C? [Given: sp. heat capacity of water = 4.2 J g-1 °C-1, sp. latent heat of ice = 336 J g-1].
Give a mathematical relation between Heat Capacity and Specific Heat Capacity.
Name the S.I. unit of heat.
The specific heat capacity of a body depends on _____________ .
63.2 g of copper at 50°C can just melt 3.8g of ice. If the specific latent heat of ice is 336 J/g, find the specific heat capacity of copper.
Read this activity and answer the following questions.
- Take three spheres of iron, copper and lead. the lead of equal mass.
- Put all the three spheres in boiling water in the beaker for some time.
- Take the three spheres out of the water.
- All the spheres will be at a temperature 100 °C.
- Put them immediately on the thick slab of wax.
- Note, the depth that each of the sphere goes into the wax.
Questions:
- Which property is determined from this activity?
- Give name to that property.
- Explain the term principal of heat exchange with the help of this activity.
The value of 'γ' for a gas is given as `gamma = 1 + 2/"f"`, where 'f ' is the number of degrees of freedom of freedom of a molecule of a gas. What is the ratio of `gamma_"monoatonic"//gamma_"diatomic"`?
Diatomic gas consists of rigid gas molecules
On supplying 100 µC of charge to a conductor, its potential rises by 5 V then capacity of the conductor is ______.
To study energy exchange between hot and cold objects, the system of both objects is isolated from the environment by keeping them inside ______.
Which method is used to determine the specific heat capacity of both solids and liquids by mixing a substance of unknown specific heat with water?
