GCSE|Edexcel|Physics P1F (Nov 2021)

The Sun is at the centre of our Solar System.

The planets orbit the Sun.

Which planet is nearest to the Sun?

• Mercury

• Venus

• Jupiter

• Mars

The Moon orbits the Earth.

Which of these describes the Moon?

• a nebula

• a comet

• A natural satellite

• an asteroid

Any object weighs less on the Moon than it does on the Earth.

The gravitational field strength on the Moon is different from the gravitational field strength on the Earth.

Suggest two reasons why the gravitational field strength on the Moon is different from the gravitational field strength on the Earth.

The gravitational field strength on the Moon is 1.6 N/kg.

The mass of a rock on the Moon is 6.0kg.

Calculate the weight of this rock on the Moon.

State the unit of weight.

Use the equation

weight = mass × gravitational field strength

• A

• B

• C

• D

All electromagnetic waves can travel in a vacuum.

Which of these is the same for all electromagnetic waves travelling in a vacuum?

• Amplitude

• Wavelength

• Speed

• Frequency

X-rays can be useful and harmful to humans.

(i) State one way that x-rays are useful to humans.

(ii) State one way that x-rays are harmful to humans.

The electromagnetic waves that the fire mostly emits are​ (a)   waves.

These waves transfer​ (b)   energy to the hands.

• infrared
• thermal
• ultraviolet
• chemical
• radio

This question is about nuclear reactions.

When a uranium-235 (U-235) nucleus absorbs a neutron, the nucleus splits into smaller parts.

This reaction is called nuclear fission.

How many daughter nuclei are produced from the fission of one nucleus of uranium-235 (U-235)?

• 2

• 3

• 6

• 4

When a uranium-235 (U-235) nucleus splits, neutrons are also emitted.

The neutrons may start a chain reaction.

Describe what is meant by a chain reaction.

You may draw a diagram to help with your answer.