Cambridge & Pearson Edexcel Past Paper Questions
Browse 35,704 questions from Cambridge O-Level & A-Level and Pearson Edexcel IGCSE & IAL exams. Click any question to practice.
Two resistors are connected in series with a 6.0 V power supply, as shown. [Figure 38.1] What is the resistance of the variable resistor R to give ...
A nucleus of magnesium decays into a nucleus X by emitting a β⁺ particle. The decay is represented by the equation shown. ²³₁₂Mg → ᴾ_Q X + ⁰₁β⁺ Wha...
In β⁻ decay, a neutron inside a nucleus changes to a proton. Which statement describes the quark composition of the nucleus during the decay?
Fig. 1.1 shows a solid pyramid with a square base. [Figure 1.1] The mass m of the pyramid is given by m = (1/3)ρhx² where ρ is the density of the m...
A person uses a trolley to move suitcases at an airport. The total mass of the trolley and suitcases is 72 kg. At another place in the airport, the...
A pendulum consists of a solid sphere suspended by a string from a fixed point P, as shown in Fig. 3.1. [Figure 3.1] The sphere swings from side to...
For a progressive wave, state what is meant by wavelength.
A battery has electromotive force (e.m.f.) 4.0V and internal resistance 0.35Ω. The battery is connected to a uniform resistance wire XY and a fixed...
State the name of another lepton that is produced in the decay.
A ball is thrown vertically downwards to the ground, as illustrated in Fig. 2.1. ball speed u path of ball 1.5m speed 8.7 ms⁻¹ ground Fig. 2.1 The ...
A child of weight 330N is at point X at the top of a slide. The slide is at the edge of a swimming pool, as shown in Fig. 3.1. X child, weight 330 ...
For a progressive wave, state what is meant by its period.
Define the ohm.
Answer all the questions in the spaces provided. (a) A property of a vector quantity, that is not a property of a scalar quantity, is direction. Fo...
Define acceleration.
Define the moment of a force about a point.
State the principle of superposition.
Define the electromotive force (e.m.f.) of a source.
State the quark composition of:
In this experiment, you will investigate how the rate of cooling of a hot liquid depends on its volume.
In this experiment, you will investigate the patterns produced by overlaid grids.
In this experiment, you will investigate the oscillations of a mass on a spring.
In this experiment, you will investigate the oscillations of a loaded wooden strip.
The Earth may be assumed to be an isolated uniform sphere with its mass of 6.0 × 10^24 kg concentrated at its centre. A satellite of mass 1200 kg i...
An ideal gas is contained in a cylinder by means of a movable frictionless piston, as illustrated in [Figure 2.1]. Initially, the gas has a volume ...
State what is meant by simple harmonic motion.
Outline the use of ultrasound to obtain diagnostic information about internal body structures.
State what is meant by the amplitude modulation (AM) of a radio wave.
An isolated metal sphere of radius r is charged so that the electric field strength at its surface is E₀. On [Figure 6.1], sketch the variation of ...
State what is meant by the capacitance of a parallel plate capacitor.
The variation with temperature of the resistance of a thermistor is shown in [Figure 8.1]. A student includes the thermistor and an ideal operation...
State what is meant by a magnetic field.
State Lenz's law.
State how, in a modern X-ray tube, the intensity of the X-ray beam and its hardness are controlled. intensity: hardness: [2]
Electromagnetic radiation of a single constant frequency is incident on a metal surface. This causes an electron to be emitted. Explain why the max...
An isolated planet is a uniform sphere of radius 3.39 × 10⁶ m. Its mass of 6.42 × 10²³ kg may be considered to be a point mass concentrated at its ...
An ideal gas has a volume of 3.1 × 10⁻³m³ at a pressure of 8.5 × 10⁵ Pa and a temperature of 290 K, as shown in [Figure 2.1]. The gas suddenly expa...
A U-shaped tube contains some liquid. The liquid column in each half of the tube has length L, as shown in [Figure 3.1]. The liquid columns are dis...
A sinusoidal carrier wave has a constant amplitude and a frequency of 1.2 MHz. The carrier wave is modulated by a signal wave such that a 1.0 V dis...
An isolated metal sphere of radius r is charged so that the electric potential at its surface is V₀. [Figure 5.1] On Fig. 5.1, sketch the variation...
Two flat metal plates are held a small distance apart by means of insulating pads, as shown in [Figure 6.1].
Two properties of an ideal operational amplifier (op-amp) are infinite input impedance and infinite bandwidth.
Define magnetic flux density.
State two situations in which a charged particle in a magnetic field does not experience a force. 1. 2.
By reference to heating effect, explain what is meant by the root-mean-square (r.m.s.) value of an alternating current.
State the purpose of computed tomography (CT scanning).
A stationary nucleus of samarium-157 (¹⁵⁷₆₂Sm) emits a gamma-ray (γ-ray) photon of energy 0.57 MeV.
State Lenz's law.
A student investigates the current in a coil and a resistor connected in series, as shown in Fig. 1.1. [Figure 1.1] The student connects a high-vol...
A student investigates the collision of two gliders A and B on a linear air-track. A card is attached to glider B, as shown in Fig. 2.1. [Figure 2....