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WorksheetsIGCSE Physics Revision b
Total questions: 60
Worksheet time: 30mins
Name
Class
Date
1.
The measure of cycles per second is called the ____________.
a)
period
b)
frequency
c)
wavelength
d)
velocity
2.
The SI unit used to measure the frequency of a wave is _____________.
a)
hertz
b)
seconds
c)
meters
d)
decibels
3.
The amount of time for one wave cycle to occur is called the ____________.
a)
wavelength
b)
trough
c)
period
d)
frequency
4.
A wave can bend and change speed, as it passes through a boundary from one medium to another. This is called __________.
a)
refraction
b)
reflection
c)
diffraction
d)
absorption
5.
The musical term "pitch" is directly associated with which wave property?
a)
wavelength
b)
amplitude
c)
frequency
d)
period
6.
The loudness or volume of sound is related to which wave property?
a)
wavelength
b)
frequency
c)
amplitude
d)
speed
7.
What is the approximate speed of sound in normal air?
a)
34 m/s
b)
340 m/s
c)
30,000 m/s
d)
300 million m/s
8.
The product of frequency and wavelength is always equal to the wave's ______________.
a)
amplitude
b)
velocity
c)
period
d)
color
9.
The lowest point of a transverse wave is called the _________.
a)
crest
b)
trough
c)
amplitude
d)
rest position
10.
The amplitude measures the distance between the:
a)
crest and next crest
b)
trough and next trough
c)
crest and trough
d)
rest position and crest
11.
wavelength = 0.5 m
wave speed = 5 m/s
Calculate the frequency!
v = fλ
a)
5 seconds
b)
10 Hz
c)
2.5 Hz
d)
1/5 m
12.
The oscillations of these types of waves cause the medium to move perpendicular to the direction of the wave's motion.
a)
longitudinal
b)
transverse
c)
sound
d)
seismic
13.
using f = 1/T, calculate the frequency of a wave that takes 2 seconds to pass by.
a)
1/2 seconds
b)
1/2 Hz
c)
2 seconds
d)
2 Hz
14.
Which is NOT a property of light?
a)
light travels in straight lines
b)
light has mass
c)
light carries energy
d)
light has acts like a wave
15.
Which region of the electromagnetic spectrum has MORE energy than visible light?
a)
ultraviolet rays
b)
radio waves
c)
microwaves
d)
infrared radiation
16.
The combination of all colours of light is called _______ light.
a)
invisible
b)
ROYGBIV
c)
electromagnetic
d)
white
17.
BLUE light has _______ frequency when compared to RED light.
a)
a higher
b)
a lower
c)
an equal
d)
an uneven
18.
The Law of Reflection states that the angle of ___________ is equal to the angle of reflection.
a)
inversion
b)
refraction
c)
incidence
d)
absorption
19.
Materials with a higher refractive index, n , tend to refract light at ________ angle.
a)
a larger
b)
a smaller
c)
at an inconsistent
d)
a very tight
20.
The colour of visible light is directly related to its ____________.
a)
wavelength
b)
amplitude
c)
intensity
d)
brightness
21.
Which regions are in order of INCREASING wavelength?
a)
gamma, UV, radio
b)
x-ray, UV, gamma
c)
microwave, infrared, visible light
d)
radio, visible light, gamma
22.
When a wave approaches a barrier with a gap in the middle, some of the wave energy will reflect backwards but some will pass through the gap and then
a)
diffract
b)
refract
c)
reflect
d)
disappear
23.
The lens shown in the diagram
a)
is a converging lens
b)
can not be used in magnifying glasses
c)
is a diverging lens
d)
acts like a mirror when the object is far away
24.
When a prism has visible light passing through it that is white as shown in the diagram
a)
the white light will spread out into different lines
b)
the different colours that make up white light will take different paths through the prism
c)
violet light bends the least
d)
red light travels along the dotted line
25.
Human hearing range of frequencies
a)
20 Hz - 20 kHz
b)
20 kHz - 20 000 kHz
c)
2 kHz - 200 kHz
d)
25 kHz - 25 kHz
26.
The average of these three measurements:
34.53 s 33.97 s 34.09 s
34.53 s 33.97 s 34.09 s
a)
102.59 s
b)
34.20 s
c)
34.17 s
d)
102.5 s
27.
The instrument used to measure volumes of liquid
a)
measuring cylinder
b)
measuring cup
c)
measuring bucket
d)
measuring beaker
28.
The SI unit for density
a)
kgm-3
b)
kgm3
c)
kg3m
d)
kg-3m
29.
Determine the volume taken up by 1650 g of iron if the density is known to be 7895 kgm-3
a)
209 cm3
b)
209 m3
c)
0.000209 cm3
d)
20.9 m3
30.
Weight is
a)
a gravitational force
b)
a gravitational field
c)
a mass
d)
a gravitational acceleration
31.
The product of mass and acceleration is
a)
net force
b)
friction
c)
weight
d)
velocity
32.
Air resistance is a form of
a)
thrust
b)
friction
c)
weight
d)
acceleration
33.
If there is no resultant force acting on an object it will
a)
remain at rest
b)
continue at a steady velocity
c)
remain at rest or continue at a steady velocity
d)
slow down
34.
When an unbalanced force acts straight on to an object in motion for a certain period of time
a)
it will cause a change of momentum
b)
it will stop the object
c)
it will slow the object
d)
it will make the object move in a circle
35.
When an unbalanced force acts perpendicular to the direction of motion of a body it will cause
a)
the object to move in a circle
b)
the object to slow down
c)
the object to speed up
d)
the object to maintain a constant velocity
36.
The equation for impulse
a)
Ft = mv - mu
b)
Fnet = ma
c)
Fw = mg
d)
Ft = mu + mv
37.
For a system to be in equilibrium the sum of the forces acting must equal zero and
a)
clockwise moments = anticlockwise moments
b)
the sum of the velocities must equal zero
c)
the sum of the momentums must equal zero
d)
all work must be done around a pivot point
38.
The type of force here is
a)
electrostatic attractive
b)
electrostatic repulsive
c)
magnetic
d)
gravitational
39.
The lines with arrows around the charge indicate the
a)
electric field
b)
electric force
c)
magnetic field
d)
gravitational field
40.
Electric current is defined by the equation I=Q/t
In words:
In words:
a)
rate of flow of charge
b)
ratio of energy to time
c)
energy flow
d)
charge flow
41.
The instrument pictured is used to measure
a)
electric current
b)
electric charge
c)
voltage
d)
resistance
42.
In metal circuits conventional current flows from
a)
positive to negative terminals
b)
negative to positive terminals
c)
both ways
d)
none of these
43.
Electrons move inside metal wires from
a)
negative to positive terminals
b)
positive to negative terminals
c)
both ways
d)
none of these
44.
In electric circuits the emf is
a)
a source of electrical energy
b)
a sink of electrical energy
c)
a force that pushes electrons
d)
a transfer of energy
45.
A fuse protects
a)
circuits from overheating and catching fire
b)
people from getting electric shocks
c)
transistors from large voltages
d)
all of these
46.
RCDs or circuit breakers protect
a)
circuits from overheating and catching fire
b)
people from getting electric shocks
c)
transistors from large voltages
d)
all of these
47.
Power is defined as
a)
the rate at which energy is transformed
b)
the rate of voltage use
c)
the rate of current use
d)
the total amount of work done per unit charge
48.
The picture shows the components that form a
a)
relay switch
b)
voltmeter
c)
ammeter
d)
battery
49.
The circuit pictured has 2 resistors connected in _________. If each resistor value is 40 Ohms, the total resistance in this case will be ___Ohms.
a)
parallel, 20
b)
series, 20
c)
parallel, 80
d)
series,
50.
The component pictured is a _______ which allows current to flow one way, in this case to the _______.
a)
diode, left
b)
LED, right
c)
resistor, left
d)
NOT gate, left
51.
The circuit symbol pictured is for a ___________, which stores electric _________ on each plate.
a)
capacitor, charge
b)
LED, charge
c)
cell, power
d)
cell, emf
52.
Ionising radiation is casues atoms to turn into ions by adding or removing electrons from neutral atoms. Types of ionsing radiation includes:
a)
alpha, beta, gamma
b)
microwaves and T.V. waves
c)
protons and neutrinos
d)
neutrons and infra-red waves
53.
Even when a radioactive source is not placed anywhere near the GM tube it still detects some radioactivity. This is due to
a)
malfunction
b)
background radiation
c)
the weather
d)
humidity
54.
Alpha paticles
a)
have a charge of 2+
b)
are made from 4 neutrons
c)
are the nucleus of a hydrogen
d)
all of these
55.
Gamma radiation
a)
is part of the EM spectrum
b)
has no mass
c)
is the least ionising radiation
d)
all of these
56.
Due to their charges alpha, beta and gamma radiations deflect in different ways when entering an electric field. In this case
a)
red = beta
b)
yellow = gamma
c)
blue = alpha
d)
blue = beta
57.
Due to their charges alpha, beta and gamma radiations deflect in different ways when entering a magnetic field. In this case the magnetic field is directed out of the screen, and
a)
blue = alpha
b)
red = beta
c)
yellow = gamma
d)
all of these are correct
58.
According to the graph the half life indicated is about
a)
3.5
b)
3.0
c)
8.0
d)
7.5
59.
The definition of radioactive half life is
a)
the time taken for the activity of a sample to halve
b)
the time taken for half the number of nuclei in a sample to decay
c)
the time taken for the received count rate of a sample to halve
d)
all of these are correct
60.
A radioisotope has an initial activity of 34 000 Bq. What will the activity be after 4 half lives have passed?
a)
2125 Bq
b)
4250 Bq
c)
1062.5 Bq
d)
8500 Bq
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