Page 70 - SP015 Past Years PSPM Chapter 6 -14 Ver 2020

PHYSICS PSPM SEM 1 1999 - 2017

PSPM CHAPTER 14: THERMODYNAMICS
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First Law of Thermodynamics

PSPM 2012/2013 SF016/2 No. 8(d)(i)

1. State the first law of thermodynamics. [1 m]

PSPM 2011/2012 SF016/2 No. 8(c)(ii)

2. If a system loses 1200 J of heat when 800 J of work done on it, what is the change in its
internal energy? [2 m]

Thermodynamics Processes

PSPM 2010/2011 SF017/2 No. 14(a)

3. What is meant by the isothermal process? [1 m]

PSPM 2013/2014 SF016/2 No. 8(a) Edited

4. Define the following thermodynamics processes:

(a) Isobaric. [1 m]

(b) Adiabatic [1 m]

PSPM 2001/2002 SF015/2 No. 14(a)(i)

5. Explain the meaning of adiabatic compression process. [1 m]

PSPM 2015/2016 SF016/2 No. 8(c)(ii)

6. Explain why a gas becomes colder when it expands adiabatically. [4 m]

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