Curriculum
Course: IB Physics HL
time left:
:
:
Login

Curriculum

IB Physics HL

Theme A — Space, Time and Motion

0/125 Dr Dabour Hub Science Diagram and Course Material

Theme B — The Particulate Nature of Matter

0/105 Dr Dabour Hub Science Diagram and Course Material

Theme C — Wave Behaviour

0/73 Dr Dabour Hub Science Diagram and Course Material

Theme D — Fields

0/77 Dr Dabour Hub Science Diagram and Course Material

Theme E — Nuclear and Quantum Physics

0/89 Dr Dabour Hub Science Diagram and Course Material

Tools and Inquiry — IB Physics skills

0/43 Dr Dabour Hub Science Diagram and Course Material
Quiz

B.4.2 First Law of Thermodynamics – Check yourself

Submit quiz
Once you submit, you will no longer be able to change your answers. Are you sure you want to submit the quiz?
1.
In the equation Q = ΔU + W, W represents
work done on the gas
work done by the gas
heat lost
internal energy
2.
A gas absorbs 800 J of heat and its internal energy rises by 350 J. The work done by the gas is
−450 J
1150 J
350 J
450 J
3.
A gas is compressed adiabatically. Which is true?
Q = 0 and ΔU is positive
Q = 0 and ΔU is negative
ΔU = 0
W is positive
4.
Over one complete cycle of a heat engine the change in internal energy of the gas is
positive
negative
zero
equal to the net heat
5.
1.0 mol of an ideal monatomic gas at constant volume is heated by 100 K. The heat supplied is approximately
831 J
0 J
2080 J
1250 J
6.
During a process, 300 J of work is done on a gas and 100 J of heat is removed from it. The change in internal energy is
+200 J
+400 J
−200 J
−400 J
  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
Accepted payment methods