# o level north west regional mock gce 2022 physics 1

### o level north west regional mock gce 2022 physics 1

o level north west regional mock gce 2022 physics 1

1) Which of the following groups of physical quantities contains miOOm
only scalars?
A) acceleration, mass speed
B) time, force, velocity
C) acceleration force velocity
P) mass, speed, time. ^
2) What measuring instrument will you use to measure the
diameter of a copper wire?
A) metre rule
B) measuring wheel
C) vernier caliper
D) measuring tape
3) The efficiency of an electric generator is 65%. What is the » I
aseful output work that can be expected if the energy input to the [ ()) The frequency of a wave is doubled. The speed of the wave
generator is 12 KJ? j
A) 780 K.I
B) 19 KJ
C) 7.8 KJ
D) 4.2 K.I
4) A boy whose mass is 50kg runs up a flight of stairs 6.5m high in j j ) ) The diagram below represents a water wave.
5s. How much power does he generate?
A) 65 W
B) 325W
C) 250 W
D) 650W
9) Two states of matter are described as follows.
State I: The molecules are very far apart. They move about
quickly at random in straight lines until they hit something
State 2: The molecules are quite closely packed together Th
move about at random. They do not have fixed positions ^
What is state1 and what state 2?
State 1 Slate 2
liquid
solid
A Gas
B Gas
C Liquid gas
D Solid gas
does not change. What happens to the wavelength of the wave?
A) it. becomes 4 limes as large
B) it does not change
C) it doubles
D) it halves
4 in
2 m
5) Ten identical steel balls, each of mass 27g, arc immersed in a
measuring cylinder containing 20 cm3 of water. The reading of the
water level rises to 50 cm3.What is the density of the steel?
A) 8.1g/cm3
B) 13.5 g/cm3
C) 9.0 g/cm3
D) 0.90 g/cm3
6) Two runners take part in a race. The graph below shows how
the speed of each runner changes with time.
Which row shows the amplitude and the wavelength?
Amplitude/m Wavelength/m
A 1 2
B 1 4
C 2 2
D 2 4
12) Which row shows the nature of light waves, sound waves
and X-rays? .
Light wave Sound wave X- rays
speed ^ runner 1 A longitudinal longitudinal Transverse
– runner 2 B longitudinal Transverse longitudinal
C Transverse longitudinal transverse
D Transverse Transverse longitudinal
13) A boy throws a small stone into a pond. Waves spread out
from where the stone hits the water and travel to the side of the
pond. The boy notices eight waves reach the side of the pond in
5.0s. What is the frequency of the wave?
A) 6.20Hz
B) 0.63Hz
C) 1.6Hz
P) 40 Hz •
o time
What does the graph show about the runners at time t?
A) Both runners are moving at the same speed
B) Runner 1 has zero acceleration
C) Runner 2 has zero acceleration
D) Runner 2 is speeding up
7) A car travels 1001cm. The journey takes two hours. The highest
speed of the car is 80km/h and the and lowest speed is 40km/h.
What is the average speed for the journey?
A) 40km/h
B) 50km/h
C) 60km/h
D) 120knx/h
14) Light waves pass from air into glass and are refracted.
What always remains constant when this happens?
A) direction
B) frequency
C) speed
D) wavelength
15) Which procedure may be used to demagnetize a steel bar?
A) cooling it in a freezer
B) earthing it with a copper for several seconds
C) Removing it slowly from a coil carrying an alternating
current
D) rubbing it in one direction with a woolen clothe
16) The diagram shows two magnets and two iron rods placed
in a line. •
8) The graph below represents the motion of a car.
What is the displacement of the car from point A to E.
A) Om
B) 500m