Cambridge & Pearson Edexcel Past Paper Questions

In a machine, many couples act on a rotating object as shown. [Figure shows a rotating object with various forces and their distances from the cent...

A uniform beam is pivoted at P as shown. Weights of 10 N and 20 N are attached to its ends. The length of the beam is marked at 0.1 m intervals. Th...

What are the SI base units of the quantity pressure / density ?

Which quantities are conserved in an inelastic collision? [Table with columns: kinetic energy, total energy, linear momentum. Rows for A, B, C, D s...

A cyclist is travelling at a constant speed up a hill. The frictional force resisting the cyclist's motion is 8.0 N. The cyclist uses 450 J of ener...

A stone of mass m falls from rest at the top of a cliff of height h into the sea below. Just before hitting the sea the stone has speed v. What is ...

A railway engine accelerates a train of total mass 1200 tonnes (1 tonne = 1000 kg) from rest to a speed of 75 ms⁻¹. How much useful work must be do...

What is a correct derivation of the equation relating power, force and velocity?

A cable on a suspension bridge supports a weight of 19.3 × 10⁵ N. This weight causes the cable to stretch by 47 mm. A lorry crossing the bridge the...

What are the units of stress, strain and the Young modulus? [Table with columns: stress, strain, Young modulus. Rows for A, B, C, D show different ...

A rubber band is stretched and then relaxed to its original length. The diagram shows the force-extension graph for this process. [Figure shows a f...

Which statement about progressive longitudinal waves is not correct?

A bicycle gear wheel is a disc with 50 'teeth' equally spaced around its edge, as shown. The gear wheel is rotated 10 times each second. A springy ...

An ambulance travels along a straight road at a speed of 30.0 ms⁻¹. Its siren emits sound of frequency 2000 Hz. The speed of sound in the air is 34...

Three different electromagnetic waves P, Q and R have the frequencies shown. [Table with columns: frequency/Hz. Rows P, Q, R show frequencies 3 x 1...

Which row describes the oscillations of two moving particles in a stationary wave that are separated by a distance of half a wavelength? [Table wit...

A parallel beam of red light of wavelength 700 nm is incident normally on a diffraction grating that has 400 lines per millimetre. What is the tota...

Two wave sources are oscillating in phase. Each source produces a wave of wavelength λ. The two waves from the sources meet at point X with a phase...

Which diagram best illustrates the electric field around a positive point charge?

The path of an electron with initial speed v in the uniform electric field between two parallel plates is shown. [Figure shows an electron entering...

The current in a circuit component is 2.00 μA. How many electrons pass through the component each second?

The filament of a 240 V, 100 W electric lamp heats up from room temperature to its operating temperature. As it heats up, its resistance increases ...

Two wires have the same length and the same resistance. Wire X is made of a metal of resistivity 1.7 × 10⁻⁸ Ωm and wire Y is made of a metal of res...

A cell has a constant electromotive force. A variable resistor is connected between the terminals of the cell. The resistance of the variable resis...

Four resistors are connected in a square as shown. [Figure shows a square arrangement of four resistors: 2Ω (top left), 4Ω (top right), 6Ω (bottom ...

A circuit is set up as shown. [Figure shows a circuit with a cell, an ammeter (A), and two voltmeters (P and Q) across different parts of a series ...

In a television programme to illustrate scientific models, a presenter fires a gun many times at a bale of hay. Two small cannon balls are embedded...

A certain nuclide, uranium-235, has nucleon number 235, proton number 92 and neutron number 143. Data on four other nuclides are given below. Which...

During β⁻ decay, which change takes place to the quark composition of the nucleus that emits the β⁻ particle, and which other particle is emitted? ...

State the two conditions for a system to be in equilibrium.

A cylinder is made from a material of density 2.7 g cm⁻³. The cylinder has diameter 2.4 cm and length 5.0 cm. Show that the cylinder has weight 0.6...

State the conditions required for the formation of stationary waves.

Describe the Doppler effect.

Define the ohm.

Use the quark model to show that

Define velocity.

The Young modulus of the material of a wire can be determined using the apparatus shown in Fig. 3.1. [Figure 3.1] One end of the wire is clamped at...

State Newton's first law of motion.

Define the frequency of a sound wave.

the part played by diffraction in the production of the fringes,

Define electromotive force (e.m.f.) of a cell.

Describe two differences between the decay of a nucleus that emits a β⁻ particle and the decay of a nucleus that emits a β⁺ particle.

Two forces, with magnitudes 5.0N and 12N, act from the same point on an object. Calculate the magnitude of the resultant force R for the forces act...

A constant resultant force F acts on an object A. The variation with time t of the velocity v for the motion of A is shown in [Figure 2.1]. The mas...

An electron is accelerated from point A to point B by a uniform electric field, as illustrated in [Figure 3.1]. The distance between A and B is 12m...

A spring is supported so that it hangs vertically, as shown in [Figure 4.1]. Different masses are attached to the lower end of the spring. The exte...

A diffraction grating is used to determine the wavelength of light. A diffraction grating is used with different wavelengths of light. The angle θ ...

Two identical filament lamps are connected in series and then in parallel to a battery of electromotive force (e.m.f.) 12V and negligible internal ...

The following particles are used to describe the structure of an atom. electron neutron proton quark The following equation represents the decay of...

In this experiment, you will investigate an electrical circuit.