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What is the unit of heat capacity in CGS system?
A substance is heated at a constant rate from a low temperature to a high temperature. A graph of temperature against time is shown in the figure. Which part or parts of the graph correspond(s) to the substance existing in two states?
Water boils at 120 °C in a pressure cooker. Explain the reason.
Some heat is provided to a body to raise its temperature by 25°C. What will be the corresponding rise in temperature of the body as shown on the Kelvin scale?
The SI unit of specific heat is _______.
_______ is defined as the amount of heat required to raise the temperature of 1kg of a substance by 1°C.
Consider the statement given below and choose the correct option.
Assertion: Radiation is a form of heat transfer which takes place only in vacuum.
Reason: The thermal energy is transferred from one part of a substance to another part without the actual movement of the atoms or molecules.
Define specific heat capacity.
Two cylinders of equal height and radius are made of copper and aluminum. Which of them conducts heat faster?
Two blocks P and Q of different metals having their mass in the ratio 2 : 1 are given same amount of heat. Their temperature rises by same amount. Compare their specific heat capacities.
