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5.2 The electromagnetic spectrum

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Question 14
F

X-rays and gamma rays are more hazardous to the human body than radio waves.

Which statement explains why?

[1]
A

They have longer wavelengths, so they are absorbed more by the skin

B

They travel faster than radio waves, so they hit cells with more force

C

They have higher frequencies, so they can damage the DNA in cells

D

They are longitudinal waves, so they make cells vibrate and break

Markscheme

5.2 The electromagnetic spectrum Questions

  1. GCSE
  2. /Physics
  3. /5.2 The electromagnetic spectrum

48 exam-style questions on OCR GCSE Physics 5.2 The electromagnetic spectrum, covering 5.2.1 Electromagnetic waves in space, 5.2.2 Energy transfer by electromagnetic waves, 5.2.3 Frequency and wavelength across the spectrum, 5.2.4 Groups of the electromagnetic spectrum, 5.2.5 Visible light and the limits of human sight, 5.2.6 Light as an electromagnetic wave, 5.2.7 Uses of electromagnetic waves, 5.2.8 Hazards of ultraviolet, X-rays and gamma rays, 5.2.9 Ultrasound and imaging inside the body, and 5.2.10 Radio waves and oscillating circuits. Each one has a worked solution and a mark scheme showing where the marks go.

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