cameroon gce A level June 2023 physics 1
cameroon gce A level June 2023 physics 1
SECTION I (Thirty five questions)
Questions: 1- 35
Directions: Each of the thirty five questions or
incomplete statements in this section is followed by
four suggested answers.Select the best answer in each
case.
6. A student applies a force of 26 N, parallel to a
plane surface inclined at 30 to the horizontal in
order to pull an object of weight 40 N along the
plane at constant speed. The frictional force
between the plane and the object is?
A 6 N
B 24 N
C 26 N
D 30 N
1 . Which of the following consists of only scalar
quantities?
A Electric field intensity, mass, and volume
B Momentum, acceleration and displacement
C Charge, work, temperature
D Speed, electromagnetic force, distance 7. Figure 2 shows a transverse wave traveling
through a medium to the right. See diagram
below. The particles of the medium
vibrating.
Rutherford’s alpha-particle scattering
experiments reveal strongly that an atom
A Has a nucleus of very small size and very
high density.
B has an evenly distributed mass
C has a nucleus of relatively large size and of
low density
D is a positive mass with electrons spreading
all over inside to make it neutral
2.
are
A B
E F G
.
C D H I
J
A ball bearing was made to fall freely through
a viscous liquid in a very long tube. State
which of the following statements is true?
A The acceleration of the ball remains
constant throughout.
B The net upward force remains constant.
C The net downward force remains constant.
D The velocity of the ball remains constant
throughout
3.
Figure 2
A perpendicular to the line joining AD.
B parallel to the line joining AD.
C along the line joining Cl.
D at various angles to the line Cl.
Which of the following statements is true
concerning a ball thrown vertically upwards and
caught on its return by the thrower?
8.
4. Which of the force diagram(s) show(s) an object
moving to the right with a constant velocity?
A the ball takes a shorter time to go up than to
come down.
B the speed is constant throughout the flight.
C the velocity is constant throughout the
flight
D the acceleration is constant throughout the
flight.
25N 25N 25N 25N
l0N rn 20N
25 N 25 N 25N
C D
9. A power cable carrying a current of 300 A is
placed normally in a uniform B-field of flux
density 10’5 T. If the cable experiences a force of
1.2 N, then the length of the cable is
A 40 m
B 400 m
C 4000 m
D 1200 m
Figure 1
According to Newton’s third law, every force is
accompanied by an equal and opposite reaction force.
The reason why these forces do not cancel each other
5.
is?
A the action force acts for a longer time
period
B the two forces are not always in the same
direction
C one of the two forces is greater than the
other
D the two forces act upon different
objects; only forces on the same object
can balance each other.
10. Which thermometer is best for measuring rapidly
changing temperatures?
A Liquid-in-glass
B thermocouple
C constant volume gas thermometer.
D platinum resistance
