GCSE Physics Paper 1 Multiple Choice Questions

Two objects P and Q are placed in a beaker containing a liquid. Object P floats in the liquid and object Q sinks. Which row for the densities of object P, object Q and the liquid is possible?

• density of object P: 1.2 g/cm³, density of object Q: 0.6 g/cm³, density of liquid: 0.8 g/cm³

• density of object P: 1.2 g/cm³, density of object Q: 1.4 g/cm³, density of liquid: 1.0 g/cm³

• density of object P: 11.3 g/cm³, density of object Q: 8.9 g/cm³, density of liquid: 13.6 g/cm³

• density of object P: 11.3 g/cm³, density of object Q: 19.3 g/cm³, density of liquid: 13.6 g/cm³

Which source of energy is renewable?

• coal

• natural gas

• oil

• wind

The diagram represents particles of a gas inside a closed container of constant volume. The gas is heated. What happens to the particles of the gas?

• They expand.

• They get closer together.

• They hit the container walls with less force.

• They move faster.

When using a microscope to look at smoke particles in air, Brownian motion is observed. What causes the smoke particles to move at random?

• A) Smoke particles are hit by air particles.

• B) Smoke particles are moved by convection currents in the air.

• C) Smoke particles have different weights and fall at different speeds.

• D) Smoke particles hit the walls of the container.

A plastic rod is rubbed with a cloth. The rod becomes positively charged. What happens to the plastic rod and what is the charge on the cloth?

• gains electrons, negative

• gains electrons, positive

• loses electrons, negative

• loses electrons, positive

A computer engineer wants the speed of a fan to increase when the temperature inside a computer increases. The engineer knows that a larger current causes the fan to turn more quickly. Which component should be placed at X to make this happen?

• a relay

• a thermistor

• a transformer

• a variable resistor

When the switch is open, which lamp(s) are not lit?

• R only

• S only

• R, S and T

• S and T only

An electric kettle has a metal casing. The cable for the kettle contains a wire that is connected to the earth pin of the plug. Which danger does this guard against?

• the cable to the kettle becoming too hot

• the casing of the kettle becoming live

• the casing of the kettle becoming wet on the outside

• the casing of the kettle overheating

Atom X loses an electron to form an ion. Atom Y gains an electron to form an ion. Which row in the table is correct?

• charge on the ion of atom X: positive, charge on the ion of atom Y: positive

• charge on the ion of atom X: positive, charge on the ion of atom Y: negative

• charge on the ion of atom X: negative, charge on the ion of atom Y: positive

• charge on the ion of atom X: negative, charge on the ion of atom Y: negative

Which statement about α-particles and β-particles is correct?

• A) α-particles are less ionising than β-particles.

• B) α-particles are more penetrating than β-particles.

• C) α-particles have greater mass than β-particles.

• D) α-particles have the same charge as β-particles.