2019 Science (Physics) P1
Quiz by Yu Hao Jen
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- Q1
Which pair consists of two vector quantities?
pressure and work done
density and velocity
acceleration and weight
energy and force
30s - Q2
What is used to calculate the value of a uniform acceleration?
gradient of a distance-time graph
change in velocity time taken
change in speed time taken
area under a speed-time graph
30s - Q3
Two runners, X and Y, are in a race. The diagram shows a speed-time graph for the two runners.
Which statement is correct?
After 8.0 s, runner Y has travelled 4.0 m further than runner X.
The runners have travelled the same distance after 4.0 s.
The runners have travelled the same distance after 7.0 s.
After 8.0 s, runner X has travelled 32 m further than runner Y.
30s - Q430s
- Q5
A child has a set of wooden 3-dimensional capital letters.
Which letter, H, I, R or Y, is the most stable when standing upright on a table?
Y
H
R
I
30s - Q6
The diagram shows a plank supported by a pivot. A block P is placed on one end of the plank and a block Q of weight 400 N is placed on the other end.
The weight of the plank can be ignored.
What is the weight of block P in order to keep the plank horizontal?
240 N
150 N
667 N
360 N
30s - Q7
When a 300 N force is applied to a box weighing 600 N, the box moves 3.0 m horizontally in 20 s.
What is the average power used when the box is moved?
90 W
45 W
900 W
1800 W
30s - Q8
Which statement about solids, liquids and gases is correct?
In a liquid, particles move slowly in some directions only.
In a gas, particles move slowly downwards due to the force of gravity.
Liquids and gases can be easily compressed.
In a solid, particles vibrate about fixed positions.
30s - Q9
Boiling and evaporation are different processes.
Which statement is not correct?
Boiling occurs throughout the entire liquid but evaporation only occurs at the surface.
Evaporation causes the temperature of a liquid to fall.
Evaporation can only occur when the temperature of the liquid is high enough.
When a boiling liquid is heated its temperature remains constant.
30s - Q10
What is meant by the term wavefront?
a line joining points along the peak of a wave
a line joining the trough and the peak of a wave
the distance between the trough and the peak of a wave
the distance between successive peaks of a wave
30s - Q11
In a ripple tank a dipper moves up and down at point P.
In 2.0 s, three wave crests are produced on the surface of the water. The distance between wave crests is 6.0 cm.
What is the speed and the frequency of the wave?
speed: 9.0 cm / s , frequency: 1.5 Hz
speed: 4.0 cm / s , frequency: 1.5 Hz
speed: 4.0 cm / s , frequency: 0.67 Hz
speed: 9.0 cm / s , frequency: 0.67 Hz
30s - Q12
The diagram shows a ray of light moving from medium S to medium T.
Which row compares medium S with medium T?
Option C
Option B
Option A
Option D
30s - Q13
Which component of the electromagnetic spectrum is used in intruder alarms?
infrared
microwaves
radiowaves
ultraviolet
30s - Q14
Sound travels at 330 m/s in air.
A boy makes a loud noise and hears an echo from a cliff face 1.50 s later.
What is the distance between the boy and the cliff face?
220.0 m
247.5 m
440.0 m
495.0 m
30s - Q15
A circuit consists of a battery, two resistors in parallel and an ammeter.
What is the electromotive force (e.m.f.) of the battery?
18.0 V
9.0 V
6.0 V
27.0 V
30s
