Physics 0625/23 May/June 2024: question paper and mark scheme

Question

A student measures the volume of a small, irregularly shaped stone. Which apparatus must be used? A a ruler and a measuring cylinder containing water B a measuring cylinder containing water only C a ruler and an empty measuring cylinder D a ruler only

Question

Which quantity is a vector? A electric field strength B energy C mass D temperature

Question

An athlete runs 2.4 km in 12 minutes. What is the average speed of the athlete? A 0.20 m / s B 3.3 m / s C 29 m / s D 200 m / s

Question

The graph shows how the speed of a car changes during a period of 50 s. 25 speed m / s 20 15 10 5 0 0 5 10 15 20 25 30 35 40 45 50 time / s Which row gives the car’s greatest acceleration and the car’s greatest deceleration? greatest greatest acceleration deceleration m / s2 m / s2 A 0.75 1.0 B 0.75 3.0 C 1.3 1.0 D 1.3 3.0

Question

Which statement about gravitational field strength g is correct? mass A g= weight B g = mass × weight C g is defined as the mass per unit force D g is equal to the acceleration of free fall

Question

Which property of an object cannot be changed by applying forces? A mass B shape C speed D volume

Question

A small ball of mass 0.10 kg travels horizontally at a speed of 600 m / s. It strikes a stationary wooden block of mass 1.9 kg resting on a frictionless horizontal surface. The ball stays in the block. What is the speed of the ball and the block immediately after the impact? A 30 m / s B 32 m / s C 60 m / s D 130 m / s

Question

An object taken underwater will be damaged if the total pressure acting on it is greater than 2.1 MPa. What is the maximum depth that the object can be taken underwater before it breaks? atmospheric pressure = 101 000 Pa density of water = 1000 kg / m3 A 10.3 m B 204 m C 214 m D 225 m

Question

A piece of solid metal melts to become a liquid. How do the particles of metal or their behaviour change? A They increase in size. B They move around each other. C They move much further apart. D They vibrate more about their fixed positions.

Question

Brownian motion of particles is observed. Which statements describe the movement of the particles? 1 The particles all travel along a curved path. 2 The particles move randomly. 3 The particles all travel in the same direction. A 1 and 3 B 1 only C 2 and 3 D 2 only

Question

A fixed mass of air in a cylinder is compressed by a piston so that the volume of the air decreases at constant temperature. How do the air particles now collide with the cylinder walls? A less often with a greater velocity B less often with the same velocity C more often with a greater velocity D more often with the same velocity

Question

The diagram shows a quantity of gas trapped in a cylinder. The piston is pushed in slowly and the gas is compressed. The temperature of the gas does not change. gas piston pushed in piston Which graph shows the relationship between the pressure and the volume of the gas? A B pressure pressure 0 0 0 volume 0 volume C D pressure pressure 0 0 0 volume 0 volume

Question

The liquid level in a thermometer rises when the thermometer is placed in hot water. What causes this? A The liquid contracts. B The liquid evaporates. C The liquid expands. D The liquid freezes.

Question

Which statement describes what happens as ice at 0 °C melts to become water? A Energy is absorbed and the temperature remains constant. B Energy is absorbed and the temperature rises. C Energy is released and the temperature remains constant. D Energy is released and the temperature rises.

Question

Which row explains how increasing the surface area of a fixed volume of liquid water and blowing air over the surface speeds up evaporation? increasing the surface area blowing air over the surface A increases the total number increases the energy in the of water molecules present kinetic store of the liquid water B increases the total number removes water molecules from of water molecules present above the surface of the water C increases the number of water increases the energy in the molecules close to the surface kinetic store of the liquid water D increases the number of water removes water molecules from molecules close to the surface above the surface of the water

Question

The table shows the state of materials P, Q, R and S, and whether each one contains free electrons. contains gas liquid solid free electrons P Q R S Using the information in the table, which comparison of the thermal conduction in the materials is correct? A It is better in P than in Q and S. B It is better in Q than in R and P. C It is better in R than in Q and P. D It is better in S than in R and Q.

Question

A seismic wave has a frequency of 5.0 Hz and a speed of 10 km / s. What is the wavelength of the wave? A 0.20 km B 0.50 km C 2.0 km D 50 km

Question

Sound waves will diffract when going through a gap or passing the edge of a barrier. Which size of wavelength gives the most diffraction in each case? passing the edge passing through a gap of a barrier A small wavelength small wavelength B small wavelength large wavelength C wavelength similar to gap size small wavelength D wavelength similar to gap size large wavelength

Question

A boy is having his eyes tested. A letter is printed on a card placed over his head. He sees the card in a plane mirror placed in front of him. He sees the letter ‘R’ in the mirror. How is it printed on the card? A B C D

Question

A ray of light is refracted as it enters air from glass, as shown. 50q air glass 60q What is the speed of light in the glass? A 2.0 × 108 m / s B 2.2 × 108 m / s C 2.3 × 108 m / s D 2.7 × 108 m / s

Question

A converging lens is being used as a magnifying glass. Which statement is correct? A The image is further away from the lens than the object is. B The image is inverted. C The image is real. D The object must be placed at the principal focus of the lens.

Question

Which colours of visible light are in the correct order of increasing wavelength? A red → yellow → blue B orange → green → violet C indigo → green → red D blue → green → violet

Question

The diagram shows three types of electromagnetic radiation listed in a particular order. The electromagnetic radiation is travelling in a vacuum. microwaves infrared X-rays Which quantities increase in magnitude going from left to right across the list? A both speed and frequency B frequency only C speed only D neither speed nor frequency

Question

Which row gives the typical values of the speed of sound at room temperature in the materials stated? speed of sound m/s air water iron A 340 1500 5100 B 340 5100 1500 C 5100 1500 340 D 3.0 × 108 3.0 × 108 3.0 × 108

Question

Two small compasses are placed close to a strong bar magnet. In which directions do the compass needles point? A B C D N N N N S S S S

Question

Students are asked for a statement about magnetic fields. Three statements are listed. 1 A magnetic field is described as a region in which a stationary electric charge experiences a force. 2 The direction of a magnetic field at a point is the direction of the force on an S pole at that point. 3 The relative strength of a magnetic field is shown by the spacing of the magnetic field lines. Which statements are correct for magnetic fields? A 1, 2 and 3 B 1 and 2 only C 2 and 3 only D 3 only

Question

A student rubs a plastic rod with a cloth. The rod becomes electrically charged and is attracted by a negatively charged object. Which statement about the rod is correct? A It is negatively charged because it has gained electrons. B It is negatively charged because it has lost electrons. C It is positively charged because it has gained electrons. D It is positively charged because it has lost electrons.

Question

Which circuit shows the directions of the conventional current I and the flow of electrons? A B I electrons I electrons C D I electrons I electrons

Question

A cell has an electromotive force (e.m.f.) of 1.5 V. How much energy is transferred by the cell when it drives 6.0 C of charge round a complete circuit? A 4.0 J B 4.0 W C 9.0 J D 9.0 W

Question

A metal resistance wire of length l and cross-sectional area A has resistance R. What is the resistance of a metal wire of the same material that has length 2l and cross-sectional area A ? 2 A R B R C 2R D 4R 4

Question

The diagram shows two circuits. Each relay is normally open when there is no current in the coil. circuit 1 circuit 2 6V 6V 0V 0V Which environmental conditions will cause the light-emitting diodes in circuit 1 and circuit 2 both to emit light? temperature light intensity A high high B high low C low high D low low

Question

A transformer is 100% efficient. Which pair of equations are both valid for the transformer? Vp Vs A IpVp = IsVs = Np Ns Vp Vs B = NpVp = NsVs Ip Is Vp Vs Vp Vs C = = Ip Is Np Ns D IpVp = IsVs NpVp = NsVs

Question

Which diagram shows the structure of a neutral atom? A B – – key + + n n n = neutral subatomic particles + n + + = positive subatomic particles – = negative subatomic particles – C D – – + + n n n n + –

Question

What is nuclear fission? A the merging of two nuclei to create a heavier nucleus B the process by which electrons are removed from an atom C the process by which stars generate energy D the splitting of a nucleus to create two smaller nuclei

Question

The diagram represents the paths of three types of ionising radiation, X, Y and Z, through a magnetic field. The three types of radiation are alpha, beta and gamma. X magnetic field Y Z Which statement about the ionising radiation is correct? A X is positively charged. B Y is negatively charged. C Z is the most strongly ionising. D X has a smaller mass than Y.

Question

Which row correctly matches three radioactive sources to their uses? emits alpha-particles emits beta-particles emits gamma radiation and has a long half-life and has a long half-life and has a short half-life A monitoring the thickness smoke alarm tracer to be injected of aluminium foil to detect cancer B monitoring the thickness tracer to be injected smoke alarm of aluminium foil to detect cancer C smoke alarm monitoring the thickness tracer to be injected of aluminium foil to detect cancer D smoke alarm tracer to be injected monitoring the thickness to detect cancer of aluminium foil

Question

Why are some radioactive sources stored in boxes made from lead? A Lead absorbs emissions from the radioactive sources. B Lead decreases the half-life of radioactive sources. C Lead increases the half-life of radioactive sources. D Lead repels all radioactive emissions.

Question

The average distance from the Earth to the Sun is 1.5 × 1011 m. What is the orbital speed of the Earth? A 4.0 × 105 km / day B 1.3 × 106 km / day C 2.6 × 106 km / day D 1.9 × 1014 km / day

Question

In which order are the objects listed formed during the life cycle of a star? A protostar → red giant → supernova → stable star B protostar → stable star → red giant → supernova C red giant → stable star → protostar → supernova D red giant → supernova → protostar → stable star

Question

What is the distance travelled by light in one year? A 5.9 × 1015 m B 5.9 × 1015 km C 9.5 × 1015 m D 9.5 × 1015 km