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Worksheets1. igcse physics SAMPLE PAPER ONLY
Total questions: 55
Worksheet time: 28mins
A student measures the diameter of a pencil. Which measuring instrument will give the most precise reading?
a measuring tape
a metre rule
a micrometer screw gauge
a ruler
A light object is dropped from rest. It falls a large distance vertically through air. How can the motion of the object be described?
constant acceleration
increasing acceleration
decreasing acceleration and then moving at terminal velocity
increasing acceleration and then moving at terminal velocity
A car travels at an average speed of 60 km / h for 15 minutes.How far does the car travel in 15 minutes?
4.0 km
15 km
240 km
900 km
Which quantity is a force due to a gravitational field?
density
mass
weight
volume
The density of air is 1.2 kg / m3. A room has dimensions 5.0 m × 4.0 m × 3.0 m. What is the mass of the air in the room?
0.02 kg
0.10 kg
50 kg
72 kg
Which statement gives a complete description of any object that is in equilibrium?
There are no forces acting.
There is no resultant force.
There is no resultant force and no resultant turning effect.
There is no resultant turning effect
Two objects X and Y move directly towards each other. The objects have the same mass. Object X has a velocity of 5.0 m / s to the right. Object Y has a velocity of 3.0 m / s to the left.Object X and object Y collide and stick together.What is their velocity after colliding?
1.0 m / s to the left
1.0 m / s to the right
4.0 m / s to the left
4.0 m / s to the right
Brakes are used to slow down a moving car.
Into which form of energy is most of the kinetic energy converted as the car slows down?
chemical
elastic
thermal
sound
A man carries 20 tiles from the ground to the roof of a house. Each tile has a mass of 1.2 kg. The roof of the house is 15 m above the ground. How much work does the man do against gravity on the tiles in carrying them to the roof?
36 J
180 J
360 J
3600 J
A car is moving along a straight horizontal road. The car has 1.6 MJ of kinetic energy. The car accelerates for 20 s until the kinetic energy of the car increases to 2.5 MJ. What is the minimum average power developed by the car engine for this acceleration?
45 W
205 W
45 kW
205 kW
An object is 20 cm below the surface of a liquid. The density of the liquid is 1200 kg / m3. What is the pressure on the object due to the liquid?
600 Pa
2400 Pa
60 000 Pa
240 000 Pa
Which statement about the evaporation of a liquid is correct?
The least energetic molecules escape from the surface and the temperature of the liquid
decreases
The least energetic molecules escape from the surface and the temperature of the liquid
increases
The most energetic molecules escape from the surface and the temperature of the liquid
decreases
The most energetic molecules escape from the surface and the temperature of the liquid
increases
A bubble of gas is formed deep under water. The bubble has a volume of 40 cm3 and the pressure inside the bubble is P. The bubble rises up through the water. The volume of the bubble increases to 56 cm3 and the pressure becomes 100 kPa. The temperature of the gas does not change.
What is the initial pressure P ?
71 Pa
71 kPa
140 Pa
140 kPa
Which change in the design of a liquid-in-glass thermometer makes it more sensitive?
a larger liquid reservoir
a longer tube
a smaller liquid reservoir
a wider tube
A liquid turns into a gas. This occurs only at one particular temperature, and the change happens
throughout the liquid.What is this process called?
boiling
condensation
evaporation
fusion
One end of a rod of copper is placed in hot water. Thermal energy travels along the rod to make the other end warmer. What is the behaviour of the copper at an atomic level that accounts for most of the transfer of thermal energy from one end to the other?
Atoms at the hot end gain kinetic energy and move towards the other end.
Atoms at the hot end expand, colliding with other atoms and transferring energy.
Free electrons at the hot end gain energy and move towards the other end, colliding with atoms along the rod.
Free electrons at the hot end gain energy from the hot water and move directly to the other
end.
A surface is made so that it is a good source of infrared radiation. Which surface is not suitable?
a surface that is painted matt black
a surface that is painted white
a surface that is heated to a high temperature
a surface that has a large surface area
A student measures the dimensions of a cylindrical glass beaker. For which measurement should she use a micrometer screw gauge?
circumference of the beaker
diameter of the beaker
height of the beaker
thickness of the glass wall of the beaker
What is the unit of the moment of a force?
N
N / kg
N / m
N m
A ball is at rest on the ground. A boy kicks the ball. The boy’s boot is in contact with the ball for 0.040 s.
The average force on the ball is 200 N. The ball leaves the boy’s boot with a speed of 20 m / s.
Which row gives the a] impulse of the boot on the ball and b] the average acceleration of the ball?
[a]8 && [b]0.8
[a]8 && [b]500
[a]5000 && [b]0.8
[a]5000 && [b]500
Which quantity can be measured directly using a micrometer screw gauge?
the area of a sheet of paper
the mass of a sheet of paper
the thickness of a sheet of paper
the volume of a sheet of paper
The velocity of an object increases from 30 m / s to 50 m / s in 5.0 seconds. What is the average acceleration of the object?
0.10 m / s2
0.25 m / s2
4.0 m / s2
10 m / s2
A heavy metal ball falls vertically downwards through air from level J .It past four equally spaced levels J, K, L and M respectively.The times taken to fall from one level to the next are measured.[ J--K--L--M].Which time is shortest?
Between level J and K
Between level K and L
Between level L and M
Between level J and M
A body is moved from place X to place Y where the gravitational field strength is different. What happens to its mass and to its weight due to the move?
mass and weight changes
mass changes and weight stays the same
mass stays the same and weight changes
mass and weight stays the same
A mass of 20 kg is held stationary by a rope passing over a frictionless pulley in vertical position.What is the tension T in the rope?
10 kg
20 kg
100 N
200 N
A ball of mass 0.50 kg falls and hits the floor at 10 m / s.
It rebounds at speed 8.0 m / s, as shown.The collision between the ball and the floor lasts for 0.50 s. What is the average force acting on the ball during the collision?
2.0 N upwards
2.0 N downwards
18 N upwards
18 N downwards
An object falls from the top of a building that is 25 m high. Air resistance is negligible. What is the speed of the object when it hits the ground?
10 m / s
22 m / s
25 m / s
625 m / s
A machine is very efficient.
What does this mean?
It produces a large amount of power.
It uses very little energy.
It wastes very little energy
It works very quickly.
A crane takes 2.0 minutes to lift a load to the top of a building. The change in gravitational potential energy of the load is 360 kJ. What is the useful power output of the crane?
3.0 kW
180 kW
720 kW
43 200 kW
The diagram shows a stone suspended on a string under the surface of a liquid. The stone experiences a pressure caused by the liquid.What would increase the pressure on the stone?
decreasing the surface area of the stone
increasing the mass of the stone
lowering the stone deeper into the liquid
using a liquid with a lower density
A tent is made from a new material.What type of material should the tent be made of to reflect the radiant energy from the Sun?
material texture dull & material surface colour black
material texture dull & material surface colour white
material texture shiny & material surface colour black
material texture shiny & material surface colour white
What is monochromatic light?
light of a single amplitude
light of a single frequency
light of more than one colour
light which travels with constant velocity
Decreasing frequency means increase in which quantity?
wavelength
amplitude
speed
energy
A large hill blocks the direct path between a transmitter of radio waves and a receiver.The receiver picks up the signal from the transmitter even though the radio waves do not travel through the hill.A possible way for this to happen is
diffraction round the hil
no diffraction round the hil
refraction round the hill
no refraction round the hill
In a cold country, a bicycle has been left outside all night. The cyclist finds the plastic hand grips feel less cold to the touch than the steel handlebars.Which row correctly describes the temperature
the temperature of the steel is much lower than that of the plastic
the temperature of the steel is much lower than that of the plastic
the steel and the plastic are both at the same temperature
the steel and the plastic are both at the same temperature
Which instrument is used to measure accurately the diameter of a thin metal wire?
30 cm ruler
measuring tape
metre rule
micrometer screw gauge
A parachutist is falling through the air at terminal velocity.
Which statement about the parachutist is correct?
Every force acting on the parachutist is equal to zero and his acceleration is equal to zero.
Every force acting on the parachutist is equal to zero and his velocity is equal to zero.
The resultant force acting on the parachutist is equal to zero and his acceleration is equal to
zero.
The resultant force acting on the parachutist is equal to zero and his velocity is equal to zero.
The gravitational field strength on the Moon is 1.6 N / kg.
An astronaut has a mass of 75 kg. What is the weight of the astronaut on the Moon?
47 N
75 N
120 N
750 N
A stone of mass 0.12 kg is fired from a catapult. The velocity of the stone changes from 0 to 5.0 m/ s in 0.60 s. What is the average resultant force acting on the stone while it is being fired?
1.0 N
2.5 N
3.6 N
8.3 N
A ball of mass 0.16 kg is moving forwards at a speed of 0.50 m / s. A second ball of mass 0.10 kg is stationary. The first ball strikes the second ball. The second ball moves forwards at a speed of 0.50 m / s.
What is the speed of the first ball after the collision?
0.0 m / s
0.19 m / s
0.31 m / s
0.50 m / s
A helium balloon is tied to a top-pan balance. A metal block of mass 100 g is placed on the balance. The reading on the balance is 91 g. Which statement can be deduced from this experiment by considering reading?
The balloon exerts a downward force of 0.09 N on the top-pan balance.
The helium has a mass of –9 g.
The helium has a mass of +9 g.
The resultant downward force on the top-pan balance is 0.91 N.
A liquid has a volume of 0.040 m3 and a mass of 30 000 g.
What is the density of the liquid?
0.075 kg / m3
7.5 kg / m3
750 kg / m3
7500 kg / m3
A resultant force of 4.0 N acts on an object of mass 0.50 kg for 3.0 seconds. What is the change in velocity caused by this force?
4.0 m / s
6.0 m / s
12.0 m / s
24.0 m / s
Which quantities are both vectors?
acceleration and force
acceleration and pressure
density and force
density and pressure
A moving ball with a momentum of 25 kg m / s collides head-on with a wall.It rebounds from the wall with the same speed but in the opposite direction. The time of collision is 50 ms. What is the average force exerted on the wall by the ball during the collision?
0.50 N
1.00 N
100 N
1000 N
Which device is designed to convert chemical energy into kinetic energy?
an a.c. generator
a battery-powered torch
a car engine
a wind-up mechanical clock
An object, initially at rest, is dropped from a height of 12.0 m. The change in gravitational potential energy when it falls to the ground is 565 J. The frictional forces are negligible.
What is its speed when it hits the ground?
4.71 m / s
15.5 m / s
47.1 m / s
240 m / s
A man climbs a ladder. Which two quantities can be used to calculate the useful power of the man?
the weight of the man and the time taken only
the weight of the man and the vertical distance moved only
the work done by the man and the time taken only
the work done by the man and the vertical distance moved only
A manometer is used to measure the pressure of a gas supply.Which change gives a greater value of height h ?
using a less dense liquid
using a more dense liquid
using a narrower tube
using a wider tube
A washbasin has an exit pipe covered with a plug of area 12 cm2.. A chain is attached to the centre of the plug to assist in pulling the plug away from the exit hole. The washbasin contains water to a depth of 0.080 m. The density of the water is 1000 kg / m3. What is the force acting on the plug due to the water?
0.96 N
800 N
9600 N
80 000 N
An object of mass 800 g and specific heat capacity 250 J / (kg °C) is heated. It absorbs 5300 J of energy.
What is the increase in temperature of the object?
0.027 °C
17 °C
27 °C
17 000 °C
On a cold day, a shiny metal rod feels colder to the touch than a black plastic rod. Which statement explains this observation?
The metal rod is a better absorber of infra-red radiation than the plastic rod
The metal rod is a better thermal conductor than the plastic rod.
The metal rod is a worse absorber of infra-red radiation than the plastic rod.
The metal rod is a worse thermal conductor than the plastic rod.
One end of a copper bar is heated to a high temperature.
Which mechanism is responsible for the transfer of thermal energy to the other end of the copper bar?
the lattice vibrations of copper ions only
the lattice vibrations of copper ions and the movement of high energy electrons along the bar
the movement of high energy copper ions along the bar
the movement of high energy electrons along the bar only
Which statement about the image formed by a plane mirror is correct?
The image is larger than the object.
The image is smaller than the object.
The image is twice as far from the mirror as the object.
The image is virtual.
Different parts of the electromagnetic spectrum are used for different purposes. Below are four
statements about parts of the spectrum.
statement 1: Infra-red waves are used in television remote controllers.
statement 2: Radio waves are used to transmit television pictures from satellites to Earth.
statement 3: Ultraviolet waves are used for intruder alarms.
statement 4: X-rays are used for security checks.
Which statements are correct?
1 and 2
1 and 4
2 and 3
3 and 4
