Advertisements
Advertisements
प्रश्न
Write the unit of thermal conductivity.
Advertisements
उत्तर
The SI unit of thermal conductivity is J s-1 m-1 K-1 or W m-1 K-1.
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.
If two temperatures differ by 25° C on Celsius scale, the difference in temperature on Fahrenheit scale is
Choose the correct option.
If α, β and γ are coefficients of linear, area l and volume expansion of a solid then
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?
Define specific heat capacity.
Give the expression for volume thermal expansion.
Explain in detail the thermal expansion.
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 does the temperature of a body tell us?
Which three fundamental quantities were used to describe mechanical systems before studying heat?
