Skip to content

Course home

Sign up

5.4 Uses and dangers of EM radiation

EasyMediumHard
1234567891011121314151617181920212223
Question 13

An ultraviolet lamp is used to reduce microorganisms on the surface of a laboratory bench while a technician works nearby.

Which statement correctly describes how the lamp reduces the microorganisms and a possible effect of the lamp on the technician?

[1]
A

Microorganisms are killed; cells deep inside the technician's body can be damaged.

B

Microorganisms are made to fluoresce; cells deep inside the technician's body can be damaged.

C

Microorganisms are killed; cells at the surface of the technician's skin can be damaged.

D

Microorganisms are made to fluoresce; cells at the surface of the technician's skin can be damaged.

Markscheme

5.4 Uses and dangers of EM radiation Questions

  1. GCSE
  2. /Physics
  3. /5.4 Uses and dangers of EM radiation

104 exam-style questions on Edexcel GCSE Physics 5.4 Uses and dangers of EM radiation, covering 5.4.1 Dangers of electromagnetic radiation, 5.4.2 Uses of electromagnetic radiation, 5.4.3 Radio waves and oscillations in circuits, and 5.4.4 Changes in atoms and nuclei generating radiation. Each one has a worked solution and a mark scheme showing where the marks go.

Question bank