Pearson Edexcel International GCSE (9–1) · PHYSICS · Unit
Waves
356 practice questions
Topics covered
Practice questions
101–110 of 172 · Easy
Question 101
1 mark · Easy
Answer and check →Which device can be sterilised using gamma rays?
- A.Surgical scissors
- B.Rubber eraser
- C.Television remote
- D.Plastic spoon at a picnic
Question 102
1 mark · Easy
Answer and see the solution →State one possible harm that gamma rays can cause to living cells.
Question 103
2 marks · Easy
Answer and see the solution →Explain why gamma rays are suitable for treating cancer.
Question 104
1 mark · Easy
Answer and see the solution →Name the type of screen or apron that can protect people from gamma rays.
Question 105
2 marks · Easy
Answer and see the solution →Give two reasons why gamma rays are considered dangerous.
Question 106
3 marks · Easy
Answer and see the solution →Gamma rays are used in hospitals.
(a)[1 mark]State one use of gamma rays in a hospital.
(b)[2 marks]Explain why it is important to protect staff from gamma rays.
Question 107
1 mark · Easy
Answer and see the solution →How does using a lead box help to protect people from gamma rays?
Question 108
1 mark · Easy
Answer and see the solution →What is the speed of electromagnetic waves in a vacuum?
Question 109
1 mark · Easy
Answer and check →Which option gives the correct order of electromagnetic waves by increasing frequency?
- A.Radio waves, microwaves, visible light, X-rays
- B.Microwaves, radio waves, ultraviolet, gamma rays
- C.Ultraviolet, visible light, radio waves, X-rays
- D.X-rays, ultraviolet, visible light, gamma rays
Question 110
1 mark · Easy
Answer and see the solution →Which type of electromagnetic wave is used in medical X-ray imaging?