Temperature & Heat

Question 0

Thermometric property

Answer 0

Any physical property that changes measurably with temperature

Question 1

Temperature

Answer 1

The measure of the hotness of a body

Question 2

Heat capacity

Answer 2

The heat needed to raise the temperature of an object by 1K

Question 3

Specific heat capacity

Answer 3

The heat necessary to raise the temperature of 1kg of a substance by 1K

Question 4

Latent heat

Answer 4

Amount of heat needed to change the state of a substance without a change in temperature

Question 5

Specific latent heat

Answer 5

Amount of heat needed to change the state of 1kg of a substance without a change in temperature

Question 6

Conduction

Answer 6

The movement of heat through a substance by transferring kinetic energy between adjacent particles which themselves do not move

Question 7

Convection

Answer 7

The transfer of heat through a fluid by using circulating currents of fluid

Question 8

Radiation

Answer 8

Transfer of heat by electromagnetic waves emitted by one body and absorbed by another

Question 9

U value

Answer 9

The amount of heat per second passing through 1m^2 of a substance when there is a temp. difference of 1K between its ends

Question 10

Unit of u value

Answer 10

Wm^-2 K^-1

Question 11

Solar constant/irradiance

Answer 11

Is the average amount of the Suns energy falling per second normally on 1m squared of the earths atmosphere. Value=1.35kWm-2