All Questions: Cambridge IGCSE Physics - 0625 - Core Paper 1 2018 Winter Zone 1
Theory
MCQ
01.
MCQ 1 Marks
CH1 - MEASUREMENTS AND UNITS

A pendulum is set in motion and timed. The time measured for 20 complete swings is 30 s.
What is the time for one complete swing of the pendulum?

02.
MCQ 1 Marks
CH2 - FORCES AND MOTION

The diagrams are distance-time graphs for four bodies. Which body is moving with an increasing speed?

03.
MCQ 1 Marks
CH2 - FORCES AND MOTION

A runner runs 300 m at an average speed of 3.0 m/s. She then runs another 300 m at an average speed of 6.0 m/s.
What is her average speed for the total distance of 600 m?

04.
MCQ 1 Marks
CH2 - FORCES AND MOTION

Which quantity is measured in newtons?

05.
MCQ 1 Marks
CH2 - FORCES AND MOTION

Four identical steel blocks are placed on a balance. The reading on the balance is 220N.
What is the mass of one steel block?

06.
MCQ 1 Marks
CH7 - RAYS AND WAVES

A liquid has a volume of $0.040 \, \text{m}^3$ and a mass of $30000 \, \text{g}$.
What is the density of the liquid?

07.
MCQ 1 Marks
CH3 - FORCES AND PRESSURE

The unstretched lengths and extension-load graphs are shown for each of four different springs.
Which spring is the longest when a load of 5.0 N is hung from each spring?

08.
MCQ 1 Marks
CH2 - FORCES AND MOTION

A car moves along a level road.
The diagram shows all of the horizontal forces acting on the car.

Which statement is correct?

09.
MCQ 1 Marks
CH3 - FORCES AND PRESSURE

Which force and distance produce the smallest moment about a pivot?

10.
MCQ 1 Marks
CH4 - FORCES AND ENERGY

Which device is designed to convert chemical energy into kinetic energy?

11.
MCQ 1 Marks
CH4 - FORCES AND ENERGY

A man climbs a ladder.
Which two quantities can be used to calculate the useful power of the man?

12.
MCQ 1 Marks
CH3 - FORCES AND PRESSURE

A manometer is used to measure the pressure of gas inside a metal container. What is the pressure inside the container?

13.
MCQ 1 Marks
CH3 - FORCES AND PRESSURE

A manometer is used to measure the pressure of a gas supply.

Which change gives a greater value of height $h$?

14.
MCQ 1 Marks
CH5 - THERMAL EFFECTS

During evaporation of a liquid, the more energetic molecules escape. The temperature of the remaining liquid changes.
Which row identifies where these molecules escape from and describes the temperature change?
[Table_1]

15.
MCQ 1 Marks
CH5 - THERMAL EFFECTS

Diagram 1 shows apparatus being used to observe smoke particles.
Diagram 2 shows how a smoke particle moves randomly.

Why do the smoke particles move randomly?

16.
MCQ 1 Marks
CH8 - ELECTRICITY

The distance between two electricity pylons is 60 m. An engineer fits a cable of length 62 m between the pylons.
Why does the engineer choose a cable that is longer than the distance between the two pylons?

17.
MCQ 1 Marks
CH5 - THERMAL EFFECTS

Some ice is slowly heated and its temperature is measured. A graph is plotted of temperature against time.

Which row describes what happens to the thermal energy and to the temperature in section X?

18.
MCQ 1 Marks
CH7 - RAYS AND WAVES

Some of the Sun's radiation passes through a prism. The diagram shows the spectrum of the radiation. Which point on the screen does the infra-red radiation reach?

19.
MCQ 1 Marks
CH5 - THERMAL EFFECTS

On a cold day, a shiny metal rod feels colder to the touch than a black plastic rod. Which statement explains this observation?

20.
MCQ 1 Marks
CH6 - WAVES AND SOUNDS

A boat moves up and down repeatedly as a water wave passes it.
Which name is given to the number of up-and-down movements of the boat per unit time?

21.
MCQ 1 Marks
CH6 - WAVES AND SOUNDS

Plane water waves travel from a shallow region into a deeper region. They travel more quickly in the deeper water.

Which diagram shows the wave pattern in the deeper water?

22.
MCQ 1 Marks
CH7 - RAYS AND WAVES

A parallel beam of light is incident on a plane mirror. Which diagram shows how the beam is reflected by the mirror?

23.
MCQ 1 Marks
CH7 - RAYS AND WAVES

The diagram shows a parallel, cylindrical light beam of diameter $d$ incident on a thin converging lens. A screen is placed a distance equal to two focal lengths $2f$ from the lens.

Which diagram shows the size of the spot of light seen on the screen?

24.
MCQ 1 Marks
CH7 - RAYS AND WAVES

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?

25.
MCQ 1 Marks
CH6 - WAVES AND SOUNDS

A woman hears the first note produced by a clarinet.
She then hears a second note that has a higher pitch and is quieter.
Which row compares the frequency and the amplitude of the two notes?

26.
MCQ 1 Marks
CH9 - MAGNETS AND CURRENTS

The diagram shows a bar magnet and four plotting compasses.
Which compass shows the direction of the magnetic field due to the magnet?

27.
MCQ 1 Marks
CH9 - MAGNETS AND CURRENTS

Iron is used for the core of a transformer and steel is used to make a bar magnet.
Which statement explains these uses of iron and of steel?

28.
MCQ 1 Marks
CH8 - ELECTRICITY

A negatively charged plastic rod P is placed above a positively charged plastic rod Q.

What are the directions of the electrostatic forces on rod P and on rod Q?
[Table_1]

29.
MCQ 1 Marks
CH8 - ELECTRICITY

The diagrams show the scales of three ammeters.
Which ammeters show the same current reading?

30.
MCQ 1 Marks
CH8 - ELECTRICITY

The resistance of a component in a circuit is found using an ammeter and a voltmeter.
How are the ammeter and the voltmeter connected?

31.
MCQ 1 Marks
CH8 - ELECTRICITY

The diagram shows a circuit with a power supply and four components.

What is component N?

32.
MCQ 1 Marks
CH8 - ELECTRICITY

Two lamps are connected in parallel.
Which switches must be closed so that both lamps light?

33.
MCQ 1 Marks
CH8 - ELECTRICITY

The circuit diagram shows a variable potential divider. ![Image of circuit diagram](Image_1)
The slider is moved from P towards Q.
What happens to the reading on the voltmeter and to the brightness of the lamp?
[Table_1]

34.
MCQ 1 Marks
CH8 - ELECTRICITY

Either a fuse or a circuit-breaker can be used to protect electrical cables from large currents that could cause overheating.
[Image_1: Circuit diagram with labelled X, Y for live, neutral, appliance, cable]
When a fuse is used, where should it be connected, and when a circuit-breaker is used, where should it be connected?
[Table_1: Options with position of fuse and position of circuit-breaker]

35.
MCQ 1 Marks
CH9 - MAGNETS AND CURRENTS

Which electrical device uses the turning effect produced by a current-carrying coil in a magnetic field?

36.
MCQ 1 Marks
CH9 - MAGNETS AND CURRENTS

A wire is placed in a strong magnetic field. When a current is passed through the wire it moves upwards, as shown.

The current is reversed. In which direction does the wire move?

37.
MCQ 1 Marks
CH11 - ATOMS AND RADIOACTIVITY

Which diagram represents the structure of a neutral atom?

38.
MCQ 1 Marks
CH11 - ATOMS AND RADIOACTIVITY

Each nucleus of nuclide X contains 10 protons and a total of 22 nucleons.
Which notation is correct for this nuclide?

39.
MCQ 1 Marks
CH11 - ATOMS AND RADIOACTIVITY

The diagram shows the paths of three different types of radiation X, Y and Z.



Which row correctly identifies X, Y and Z?

40.
MCQ 1 Marks
CH11 - ATOMS AND RADIOACTIVITY

A sample of a radioactive isotope emits 9600 \( \alpha \)-particles per second.
After 40 hours the rate of emission has fallen to 600 \( \alpha \)-particles per second.
What is the half-life of this isotope?