Advertisements
Advertisements
प्रश्न
Define thermal conductivity.
Advertisements
उत्तर
The quantity of heat transferred through a unit length of a material in a direction normal to Unit surface area due to a unit temperature difference under steady-state conditions is known as the thermal conductivity of a material.
APPEARS IN
संबंधित प्रश्न
Choose the correct option.
Range of temperature in a clinical thermometer, which measures the temperature of the human body, is
Choose the correct option.
A glass bottle completely filled with water is kept in the freezer. Why does it crack?
Choose the correct option.
Water falls from a hight of 200 m. What is the difference in temperature between the water at the top and bottom of a waterfall given that the specific heat of water is 4200 J kg-1 °C-1?
Write the unit of specific heat capacity.
Give the expression for linear thermal expansion.
Give the expression for volume thermal expansion.
Discuss the ideal gas laws.
Explain in detail Newton’s law of cooling.
Calculate the number of moles of air is in the inflated balloon at room temperature as shown in the figure.

The radius of the balloon is 10 cm, and the pressure inside the balloon is 180 kPa.
What is the difference between temperature and heat energy?
