Physics 0625/13 May/June 2022: question paper and mark scheme

Question

A lump of modelling clay is moved from a small measuring cylinder to a large measuring cylinder that has twice the diameter. water modelling clay small cylinder large cylinder The reading on the small measuring cylinder goes down by 20 cm3. By how much does the reading on the large cylinder go up? A 10 cm3 B 20 cm3 C 40 cm3 D 80 cm3

Question

The graph shows the motion of a car. 15 speed m / s 10 5 0 0 10 20 time / s Which row correctly describes this motion? acceleration distance travelled / m A constant 200 B constant 300 C increasing at a constant rate 200 D increasing at a constant rate 300

Question

A man stands next to a railway track. A train travelling at 40 m / s takes 2.0 s to pass the man. What is the length of the train? A 20 m B 38 m C 40 m D 80 m

Question

Four students are given two different objects, P and Q. Each student measures the mass of P and the weight of Q. The results are shown in the table. Which row gives a possible result? mass of weight of object P object Q A 10 kg 10 kg B 10 kg 10 N C 10 N 10 kg D 10 N 10 N

Question

A measuring cylinder contains 30 cm3 of a liquid. cm3 50 40 30 20 10 balance Some more of the liquid is added until the liquid level reaches the 50 cm3 mark. The reading on the balance increases by 30 g. What is the density of the liquid? A 0.60 g / cm3 B 0.67 g / cm3 C 1.5 g / cm3 D 1.7 g / cm3

Question

A beam is pivoted at one end, as shown. 40 cm beam X pivot 6.0 N The beam weighs 6.0 N and its weight acts at a point X 40 cm from the pivot. A force of 4.0 N is applied to the beam causing it to balance horizontally. In which direction and where is the 4.0 N force applied? A vertically downwards at 20 cm to the left of X B vertically downwards at 20 cm to the right of X C vertically upwards at 20 cm to the left of X D vertically upwards at 20 cm to the right of X

Question

The diagram shows two identical bars of negligible weight. All the forces acting on each bar are marked. bar 1 bar 2 2N 2N 2N 4N 2N Which bars are in equilibrium? A bar 1 and bar 2 B bar 1 only C bar 2 only D neither bar 1 nor bar 2

Question

Four objects have different base areas and their centres of mass are in different positions. Which object is most stable? position of base area centre of mass A large high B large low C small high D small low

Question

In which form is energy stored by stretching a spring? A chemical energy B elastic potential energy C gravitational potential energy D thermal energy

Question

What is meant by the power of an engine? A the energy that the engine transfers per unit time B the maximum force that the engine can exert C the maximum weight that the engine can lift D the total energy that the engine transfers

Question

A force of 14 N is applied to the head of a nail. This causes a pressure of 25 N / mm2 at the tip of the nail. What is the cross-sectional area of the tip of the nail? A 0.56 mm2 B 11 mm2 C 39 mm2 D 350 mm2

Question

The diagram shows a deep reservoir formed by a dam. water dam X On what does the pressure at X depend? A the depth of the water at X B the length of the reservoir C the surface area of the water D the thickness of the dam wall

Question

The properties of two states of matter are listed. state 1 The molecules move quickly and randomly. There is a large distance between the molecules. state 2 The molecules vibrate about fixed positions. The molecules are closely packed together. What are states 1 and 2? state 1 state 2 A gas liquid B liquid solid C solid liquid D gas solid

Question

A gas in a container is cooled but the volume of the gas does not change. Which row describes the changes in the pressure of the gas and the average kinetic energy of the gas particles? average pressure of gas kinetic energy of gas particles A decreases decreases B decreases increases C increases decreases D increases increases

Question

The iron cylinder of an engine is to be fitted into a piece of aluminium. The outside diameter M of the iron cylinder is slightly larger than the diameter N of the hole in the aluminium. iron cylinder M aluminium N What is the best action to fit the cylinder into the aluminium? A Cool the aluminium and cool the iron. B Cool the aluminium and heat the iron. C Heat the aluminium and cool the iron. D Heat the aluminium and heat the iron.

Question

A solid in a closed container is heated until it completely melts. Which diagram shows the shape and the volume of the solid before and after heating. A B before after before after C D before after before after

Question

A glass contains an iced drink on a warm and humid day. Water starts to form on the outside of the glass. What is the name of the effect by which the water forms? A condensation B conduction C convection D evaporation

Question

In which situation is the main transfer of thermal energy by convection? A B food cooked under a grill a cold drink stored in a vacuum flask stopper grill air cold drink food vacuum transfer from grill to food transfer from air to drink C D food cooled in a freezer cool water in a tank freezing compartment metal tank Sun air food water transfer from food transfer from the Sun to water to freezing compartment

Question

A metal container is the shape of a hollow cube. The four sides of the container have different surface finishes. Which side is the best emitter of radiation? D A dull black shiny black C B dull white shiny white

Question

The diagram shows a wave. 2.0 displacement / cm 1.0 0 0 4.0 8.0 12.0 16.0 20.0 24.0 28.0 –1.0 distance / cm –2.0 Which row is correct? amplitude of wavelength of the wave / cm the wave / cm A 1.0 4.0 B 1.0 8.0 C 2.0 4.0 D 2.0 8.0

Question

A girl is sitting on a rock in the sea looking at passing waves. She notices that five complete wavelengths pass her in 20 s. What is the frequency of this wave? A 0.25 Hz B 4.0 Hz C 15 Hz D 100 Hz

Question

A ray of light passes from air through a sheet of glass and out the other side, as shown. air boundary 1 glass boundary 2 air Which two angles are equal to each other? A angle of incidence at boundary 1 and angle of incidence at boundary 2 B angle of incidence at boundary 1 and angle of refraction at boundary 1 C angle of incidence at boundary 1 and angle of refraction at boundary 2 D angle of refraction at boundary 1 and angle of refraction at boundary 2

Question

An object is placed in front of a converging lens. The lens has a focal length f. In which labelled position should the object be placed in order to produce a real image that is smaller than the object? lens A B C D f 2f

Question

Which statement correctly compares radio waves and X-rays? A Radio waves have a longer wavelength and a greater speed in a vacuum. B Radio waves have a longer wavelength and the same speed in a vacuum. C Radio waves have a shorter wavelength and a greater speed in a vacuum. D Radio waves have a shorter wavelength and the same speed in a vacuum.

Question

Student 1 and student 2 stand 170 m apart as shown. Student 1 fires a starting pistol. Student 2 hears the sound twice, once by the direct route and once from the reflection from the wall. wall 170 m 170 m 170 m student 1 student 2 The speed of sound in air is 340 m / s. What is the interval between hearing the two sounds? A 0.25 s B 0.50 s C 1.0 s D 2.0 s

Question

A student attempts to make a permanent magnet by hammering metal bars of the same size in the same magnetic field. In which case is the strongest permanent magnet produced? A B magnetic magnetic field lines field lines iron bar iron bar C D magnetic magnetic field lines field lines steel bar steel bar

Question

A student places object X on a balance. The student first brings magnet Y and then magnet Z close to object X and observes the readings on the balance. The distance between Y and X is the same as the distance between Z and X. The diagram shows the results of the experiment. N S magnet Y magnet Z S N object X 49.3 g 48.7 g 48.1 g Which statement explains the results? A Object X is an iron block and magnet Y is stronger than magnet Z. B Object X is an iron block and magnet Y is weaker than magnet Z. C Object X is a permanent magnet and magnet Y is stronger than magnet Z. D Object X is a permanent magnet and magnet Y is weaker than magnet Z.

Question

A girl rubs a plastic rod with a cloth. The plastic rod then repels a positively charged object. Which row is correct? the state of what happened when the plastic rod the rod was rubbed A negatively charged it gained some electrons B negatively charged it lost some protons C positively charged it lost some electrons D positively charged it gained some protons

Question

Which circuit shows a meter being used correctly to measure the current in a resistor? A B C D A V A V

Question

A resistor and a battery are connected in series. The value of the resistor is 20 Ω. The potential difference (p.d.) of the battery is 4.0 V. What is the current in the resistor? A 0.20 A B 4.0 A C 5.0 A D 80 A

Question

The circuit shown includes a cell. Which other components does the circuit contain? A lamp, voltmeter and switch B resistor, thermistor and bell C switch, variable resistor and heater D switch, heater and fuse

Question

Two 4 Ω resistors are connected in parallel. 4Ω X Y 4Ω What is the combined resistance between X and Y? A less than 4 Ω B 4Ω C 8Ω D more than 8 Ω

Question

Which statement about identical lamps in a parallel circuit is not correct? A If one lamp blows, the others remain switched on. B The current in each lamp is different. C The lamps can be switched on and off separately. D The lamps have the same voltage across each of them.

Question

Why is a fuse used in an electrical circuit? A so that the current can have only one value B to prevent the current becoming too large C to provide a path to earth if a fault occurs D to save electrical energy

Question

The information describes the currents in three different circuits. Circuit P has a steady current of 0.52 A in one direction. Circuit Q has a current that continually changes between 0.25 A and 0.35 A but is always in the same one direction. Circuit R has a peak current of 0.52 A that changes direction periodically. Which circuits contain a direct current? A P only B P and Q C Q and R D R only

Question

Which transformer can change a 240 V a.c. input into a 15 V a.c. output? A B 800 turns 40 turns 1000 turns 25 turns C D 2400 turns 15 turns 1200 turns 75 turns

Question

The diagram shows a wire hanging from a metal loop P and dipping into a bath of mercury. P N S mercury The wire is hanging vertically between the N and S poles of a magnet. The loop P is then connected to the positive terminal of a battery and the mercury is connected to the negative terminal. The wire swings out of the page. In which direction does the wire move when P is connected to the negative terminal of the battery and the mercury is connected to the positive terminal? A The wire swings into the page. B The wire swings out of the page. C The wire swings to the left. D The wire swings to the right.

Question

The atoms of an element can exist as different isotopes. What is the difference between atoms of different isotopes of the same element? A They have different numbers of electrons. B They have different numbers of protons and different numbers of neutrons. C They have different numbers of protons only. D They have different numbers of neutrons only.

Question

A radioactive source has a half-life of 0.5 hours. A detector near the source shows a reading of 6000 counts per second. Background radiation can be ignored. What is the reading on the detector 1.5 hours later? A 750 counts per second B 1500 counts per second C 2000 counts per second D 3000 counts per second

Question

Which statement explains why radioactive materials need to be handled carefully? A γ-rays are part of the electromagnetic spectrum. B Radioactive decay is a random process. C Radioactive materials have a half-life. D The radiation given out is ionising.