◈ Oracle Prep Sign Up Free

O-LevelPhysicsWaves5054/11 · May/June 2012 · Q251 Mark

Below are four statements about the uses of electromagnetic radiation. Gamma rays are used in medical treatment. Infra-red waves are used in sunbeds. Microwaves are used in satellite television. X-rays are used in intruder alarms. How many of these statements are correct?

A1

B2

C3

D4

✓ Correct answer

B: 2

Practise more questions on this topic

Oracle Prep sorts past-paper questions by topic, so you can drill Waves and see which topics are most likely to come up next.

Sign up free →

About this question

Topic: Waves, O-Level Physics (syllabus 5054). Multiple choice, 1 mark.
Source: O-Level Physics, May/June 2012 Paper 1 Variant 1, question 25.

Questions and mark schemes are from past examination papers and remain the copyright of the exam board. How Oracle Prep builds its content

Related Physics questions

WavesMay/June 20141m

Compressions and rarefactions are sent out from a loudspeaker cone as it vibrates backwards and forwards. The frequen…

WavesMay/June 20141m

Water waves refract at a boundary between deep water and shallow water. What is the effect on the frequency, waveleng…

WavesMay/June 20141m

Which statement about the speed of sound is correct?

Thermal PhysicsMay/June 20131m

Using an electric kettle, 200 g of water at 100 °C is converted into steam at 100 °C in 300 seconds. The specific lat…

Thermal PhysicsMay/June 20131m

When a gas in a container of fixed volume is heated, the pressure of the gas increases. Which statement explains this?

LightMay/June 20131m

Which characteristics describe an image formed by a vertical plane mirror?

← Browse all past-paper questions