A Level Physics - Review Thermometer & Dynamics

Thermal energy is transferred from ..........

• higher temperature --> lower temperature

• lower temperature --> higher temperature

• lower density --> higher density

• higher density --> lower density

Object A and B are in thermal equilibrium when .........

• Their density is the same

• Their temperature is the same

• Their density is the different

• their temperature is different

28 ^oC = ................ K

• 301.15

• 301

• -245.15

• -245

350 K = ................ ^oC

• 623

• 623.15

• 76.85

• 77

what is the name of lowest possible temperature?

• absolute zero

• thermodynamics zero

• zero temperature

What is absolute zero?

• 0 ^oC

• 0 K

• 0 J

• 0 kg

Which statement is the same as definition of specific heat capacity?

• heat needed to increase temperature of 1 kg object by 1 ^oC

• heat needed to increase temperature of 1 kg

• heat needed to increase temperature of object by 1 ^oC

• heat needed to decrease temperature of 1 kg

heat needed to melt 1 kg solid at its melting point is defined as .......

• heat capacity

• specific heat capacity

• latent heat of fusion

• latent heat of vaporisation

What is latent heat of vaporization?

• heat needed to melt 1 kg solid at its melting point

• heat needed to boil 1 kg liquid at its boiling point

• heat needed to melt 1 kg solid at its boiling point

• heat needed to boil 1 kg liquid at its melting point

Which equation is used for calculating heat energy in change of temperature?

• Q = mcΔt

• Q = mL