# Thermal Physics

## Thermal Physics

Calculator Allowed: Yes Question Answer Transcription of this question: B2.This question is in two parts. Part 1 is about latent heat and specific heat and Part 2 is aboutforce fields.Part 1 Latent heat and specific heat(i)(ii)Define specific latent heat of vaporization.Energy is supplied to a boiling liquid at a constant rate. Describe, in terms Ofmolecular […]

## Thermal Physics

Calculator Allowed: Yes Question Answer Transcription of this question: A3.This question is about ideal gases.(a)(b)State what is meant by an ideal gas.For an ideal gas(i)(ii)define internal energy.state and explain how the internal energy and the absolute (kelvin) temperatureare related.[21(c)Point A in the p-V diagram below represents the state Of an ideal gas.p/ XIOSPa42o481216 20 24 […]

## Thermal Physics

Calculator Allowed: No Question Answer Transcription of this question: 18.A block Of metal at a temperature Of 900C is placed in a beaker Of water at a temperature OfThe mass Of the metal block and the mass of the water are equal. The final temperature Of the waterand the metal block is 9 oc.Which Of […]

## Thermal Physics

Calculator Allowed: No Question Answer Transcription of this question: 17.The graph below shows the variation with absolute temperature T Of the pressure p Of one moleOf an ideal gas having a volume V. R is the molar gas constant.Which Of the following is the best interpretation Of the intercept on the temperature axis andthe gradient […]

## Thermal Physics

Calculator Allowed: No Question Answer Transcription of this question: 16.Gas leaks slowly out Ofa cylinder Ofconstant volume. The temperature Of the gas in the cylinder doesnot change. Which Of the following is constant for the gas molecules in the cylinder

## Thermal Physics

Calculator Allowed: No Question Answer Transcription of this question: 19.A sample Of an ideal gas is contained in a cylinder. The volume Of the gas is suddenly decreased.A student makes the following statements to explain the change in pressure Of the gas.111 _The average kinetic energy Of the gas atoms increases.The atoms Of the gas […]

## Thermal Physics

Calculator Allowed: No Question Answer Transcription of this question: 18.A hot liquid X has specific heat capacity SH.specific heat capacity sc.The best estimate of the ratioIt is mixed with an equal mass Of a cold liquid Y Oftemperature fall Of liquid Xtemperature rise of liquid Yc.

## Thermal Physics

Calculator Allowed: No Question Answer Transcription of this question: 17.A copper block and a steel block each have the same mass. The copper block is at a higher temperaturethan the steel block.The blocks are placed in thermal contact and they then reach thermal equlibrium. There is no energyexchange with the surroundings.How do the magnitude Of […]

## Thermal Physics

Calculator Allowed: No Question Answer Transcription of this question: 18.An isolated container is divided into two equal volumes by a partition. In each part Of the containerthere is an ideal gas. They have the same pressure P. The partition is removed. Which Of thefollowing is the final pressure

## Thermal Physics

Calculator Allowed: No Question Answer Transcription of this question: 17.A lump Of ice at O’C is placed into water at O ‘C. Assuming that no thermal energy is lost tothe surroundings, which Of the following statements is true regarding the melting Of the ice andthe temperature change