A Level Physics 9702 Paper 11, May/June 2024

Which unit is an SI base unit? A ampere B coulomb C degree Celsius D gram

Which of the following could have the same units as force? A $\frac{\text{energy}}{\text{distance}}$ B $\frac{\text{energy}}{\text{time}}$ C $\text{momentum}\times \text{distance}$ D $\text{momentum}\times \text{time}$

The velocity of an object changes from an initial velocity $u$ to a final velocity $v$. The vectors represent these velocities. Which single vector represents the change in velocity of the object?

An object is moving with initial velocity $u$. The object then moves with uniform acceleration $a$ for time $t$ until it reaches final velocity $v$. Which equation describes the motion of the object? A $u=v-2at$ B $u=v-at$ C $v=u+a{t}^2$ D $v=u+2a{t}^2$

Which calculation produces a vector quantity? A $\text{current}\times \text{time}$ B $\text{final displacement}-\text{initial displacement}$ C $\frac{\text{work done}}{\text{time}}$ D $\frac{1}{2}\times \text{mass}\times (\text{speed}{)}^2$

A thermometer can be read to an accuracy of $\pm 0.5{}^{\circ }\text{C}$. This thermometer is used to measure a temperature rise from $40{}^{\circ }\text{C}$ to $100{}^{\circ }\text{C}$. What is the percentage uncertainty in the measurement of the temperature rise? A $0.5\mathrm{\%}$ B $0.8\mathrm{\%}$ C $1.3\mathrm{\%}$ D $1.7\mathrm{\%}$

The diagram shows the path of a golf ball. Which row describes changes in the horizontal and vertical components of the golf ball's velocity when air resistance is ignored?

An aircraft flies from London to Sydney in a time of $21\text{ hours }40\text{ minutes}$. The distance travelled is $17000\text{ km}$. What is the average speed of the aircraft? A $2.2{\text{ m s}}^{-1}$ B $2.2\times {10}^7\mu {\text{m s}}^{-1}$ C $2.2\times {10}^{11}{\text{ nm s}}^{-1}$ D $2.2\times {10}^6{\text{ mm s}}^{-1}$

A golf club hits a golf ball. The graph shows how the force $F$ on the ball varies with time $t$. Which graph shows how the velocity $v$ of the ball varies with time $t$?

What is meant by the mass and by the weight of an object on the Earth?

A thin horizontal plate of area $0.036{\text{ m}}^2$ is beneath the surface of a liquid of density $930{\text{ kg m}}^{-3}$. The force on one side of the plate due to the pressure of the liquid is $290\text{ N}$. What is the depth of the plate beneath the surface of the liquid? A $0.88\text{ m}$ B $1.1\text{ m}$ C $1.8\text{ m}$ D $8.7\text{ m}$

Spheres X and Y form an isolated system. The mass of Y is greater than the mass of X. Sphere Y is initially stationary. Sphere X collides elastically with sphere Y. The speed of sphere X before the collision is $u$. Which statement must be correct? A Sphere X rebounds with a speed that is greater than $u$, and sphere Y moves off with a speed that is less than $u$. B Sphere X rebounds with a speed that is less than $u$, and sphere Y moves off with a speed that is also less than $u$. C Sphere X rebounds with speed $u$, and sphere Y remains stationary. D Sphere X remains stationary, and sphere Y moves off with a speed that is less than $u$.

A ball of mass $0.10\text{ kg}$ is thrown towards a stationary vertical bat. The ball hits the bat with a horizontal velocity of $20{\text{ m s}}^{-1}$. The ball rebounds and leaves the bat with a horizontal velocity of $15{\text{ m s}}^{-1}$. What is the change in momentum of the ball? A $0.20\text{ N s}$ B $0.50\text{ N s}$ C $1.5\text{ N s}$ D $3.5\text{ N s}$

An isolated object of negligible weight is acted on by two coplanar forces of the same magnitude. In which diagram is the object in equilibrium?

A uniform beam PQ rests horizontally on a support at point S. A rope is attached at one end of the beam. The rope is at an angle of ${60}^{\circ }$ to the vertical and exerts a force $F$, in newtons, on the beam. What is the moment, in $\text{N m}$, of the force $F$ about the point S? A $1.1F$ B $1.3F$ C $1.9F$ D $2.2F$

The diagram shows the dimensions of an elastic cord used to project a stone. The tension in the cord is $T$ when the cord is pulled into the shape shown. Which force does the elastic cord exert on the stone? A $\frac{3}{5}T$ B $\frac{6}{5}T$ C $\frac{8}{5}T$ D $2T$

A box of weight $40\text{ N}$ is pushed with a horizontal force of $20\text{ N}$ along level ground for a distance of $2.4\text{ m}$. The box is then lifted at constant velocity through a height of $1.6\text{ m}$ by a vertical force. What is the total work done on the box by the two forces? A $80\text{ J}$ B $110\text{ J}$ C $120\text{ J}$ D $160\text{ J}$

Which statement about efficiency is correct? A Efficiency does not have a unit. B The joule is a unit of efficiency. C The metre is a unit of efficiency. D The watt is a unit of efficiency.

A plane wave of amplitude $A$ is incident on a surface of area $S$ placed so that it is perpendicular to the direction of travel of the wave. The energy per unit time reaching the surface is $E$. The amplitude of the wave is increased to $2A$ and the area of the surface is reduced to $\frac{1}{2}S$. How much energy per unit time reaches this smaller surface? A $4E$ B $2E$ C $E$ D $\frac{1}{2}E$

A steel ball is falling at constant speed in oil. Which graph shows the variation with time of the gravitational potential energy $E_{\text{p}}$ and the kinetic energy $E_{\text{k}}$ of the ball?

When a force of $0.80\text{ N}$ is applied to a spring, the length of the spring is $90\text{ mm}$. When a force of $1.30\text{ N}$ is applied to the same spring, its length is $115\text{ mm}$. The spring obeys Hooke's law. What is the spring constant of the spring? A $8.9{\text{ N m}}^{-1}$ B $10{\text{ N m}}^{-1}$ C $11{\text{ N m}}^{-1}$ D $20{\text{ N m}}^{-1}$

An experiment is carried out using a metal wire to investigate how it responds to a varying tensile force. The cross-sectional area of the wire is constant. Which graph has a gradient that is equal to the Young modulus of the metal?

For a wire, Hooke's law is obeyed for a tension $F$ and extension $x$. The Young modulus for the material of the wire is $E$. Which expression represents the elastic potential energy stored in the wire? A $\frac{1}{2}Ex$ B $Ex$ C $\frac{1}{2}Fx$ D $Fx$

A plane polarised wave has amplitude $A$. The wave is incident normally on a polarising filter. The transmission axis of the filter is at angle $\theta$ to the plane of polarisation of the incident wave. What is the amplitude of the wave that emerges from the filter? A $A\cos \theta$ B $A{\cos }^2\theta$ C $A^2\cos \theta$ D $A^2{\cos }^2\theta$

An electromagnetic wave is travelling through a vacuum. What could be the wavelength and period of the electromagnetic wave?

Light of frequency $6.7\times {10}^{14}\text{ Hz}$ in a vacuum is incident normally on a diffraction grating that contains $4.0\times {10}^5{\text{ lines m}}^{-1}$. What is the angle between the adjacent second and third order intensity maxima? A ${12}^{\circ }$ B ${21}^{\circ }$ C ${33}^{\circ }$ D ${54}^{\circ }$

The siren of a moving police car emits a sound wave with a frequency of $440\text{ Hz}$. A stationary observer hears sound of frequency $494\text{ Hz}$. The speed of sound in the air is $340{\text{ m s}}^{-1}$. What could be the speed and the direction of movement of the car? A $37{\text{ m s}}^{-1}$ directly away from the observer B $37{\text{ m s}}^{-1}$ directly towards the observer C $42{\text{ m s}}^{-1}$ directly away from the observer D $42{\text{ m s}}^{-1}$ directly towards the observer

The diagram shows the shape at one instant in time of part of a stretched string as a wave travels along it from left to right. What are the directions of the velocities of the points 1, 2 and 3 on the string at this instant in time?

Which wave cannot be a longitudinal wave? A a diffracted wave B a polarised wave C a reflected wave D a stationary wave

Microwaves are emitted from two sources at points X and Y. The two waves meet at point Z. The diagram shows the paths of the two waves. The waves emitted from points X and Y are coherent. What is a direct consequence of the two waves being coherent? A There is a constant difference in the path lengths YZ and XZ. B There is a constant difference in phase between the two waves at Z. C There is a constant non-zero difference in frequency of the two waves at Z. D There is a constant non-zero difference in amplitude of the two waves at Z.

What is the unit of resistivity? A $\mathrm{\Omega }{\text{ m}}^{-2}$ B $\mathrm{\Omega }{\text{ m}}^{-1}$ C $\mathrm{\Omega }$ D $\mathrm{\Omega }\text{ m}$

A kettle is connected to a $250\text{ V}$ mains supply. What are possible values for the power of the kettle and the current in the kettle?

Which circuit results in output voltage $V_{\text{out}}$ increasing with increasing temperature?

Four resistors, each of resistance $R$, are connected as shown. The total resistance between point X and point Y is $120\mathrm{\Omega }$. What is the magnitude of the resistance $R$? A $30\mathrm{\Omega }$ B $90\mathrm{\Omega }$ C $160\mathrm{\Omega }$ D $480\mathrm{\Omega }$

A cell with internal resistance is connected to a variable resistor R as shown. The resistance of R is gradually decreased. How do the current $I$ and the terminal potential difference (p.d.) across the cell change?

The diagram shows a circuit with a cell and three resistors with resistances $R_1$, $R_2$ and $R_3$. The cell has negligible internal resistance. The total resistance of the circuit is $R_{\text{T}}$. Which equation for $R_{\text{T}}$ is correct? A $R_{\text{T}}=R_1+R_2+R_3$ B $R_{\text{T}}=\frac{1}{R_1+R_2}+\frac{1}{R_3}$ C $\frac{1}{R_{\text{T}}}=\frac{1}{R_1+R_2+R_3}$ D $\frac{1}{R_{\text{T}}}=\frac{1}{R_1+R_2}+\frac{1}{R_3}$

Hydrogen and deuterium can be represented by the nuclide symbols ${}_1^1\text{H}$ and ${}_1^2\text{H}$ respectively. What is a difference between hydrogen and deuterium? A The deuterium atom has twice the number of electrons as the hydrogen atom. B The deuterium nucleus has a charge, but the hydrogen nucleus has no charge. C The deuterium nucleus has less mass than the hydrogen nucleus. D The deuterium nucleus has half the charge per unit mass of the hydrogen nucleus.

A radioactive sample decays by emitting ${\beta }^{-}$ particles. The energy released in the decay process is the same for each nucleus that decays, but the ${\beta }^{-}$ particles emitted have a continuous range of kinetic energies. Which statement explains why the ${\beta }^{-}$ particles are emitted with a continuous range of kinetic energies? A Some of the energy released is given to the remaining nucleons in the nucleus. B Some of the energy released is taken by an emitted antineutrino. C Some of the energy released is used to create the ${\beta }^{-}$ particle. D Some of the energy released is used to create a new nucleon.

Which particle is not a fundamental particle? A electron B neutrino C neutron D top quark

What is the charge of an anti-top quark? A $-\frac{2}{3}e$ B $-\frac{1}{3}e$ C $+\frac{1}{3}e$ D $+\frac{2}{3}e$