*P78835A0236*
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2
SECTION A
Answer ALL questions.
For questions 1–10, in Section A, select one answer from A to D and put a cross in the box
.
If you change your mind, put a line through the box
and then mark your new answer with a
cross
.
1 Which of the following is an example of resonance?
A plucking a string on a guitar
B striking a tuning fork on a hard surface
C displacing a pendulum to one side and releasing it
D pushing a swing each time the swing is at its maximum height
(Total for Question 1 = 1 mark)
2 The table gives the ionising ability and penetration of alpha radiation and
gamma radiation.
Which row of the table is correct?
A
B
C
D
Alpha radiation Gamma radiation
low ionisation and low penetration low ionisation and low penetration
low ionisation and high penetration high ionisation and low penetration
high ionisation and low penetration low ionisation and high penetration
high ionisation and low penetration high ionisation and high penetration
(Total for Question 2 = 1 mark)
3 To avoid unwanted large amplitude oscillations in a machine, damping may be used.
Which of the following statements about the damping force is correct?
A It is always in the opposite direction to the acceleration.
B It is always in the opposite direction to the velocity.
C It is always in the same direction as the acceleration.
D It is always in the same direction as the velocity.
(Total for Question 3 = 1 mark)
