Electromagnetic Waves Quiz
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5 questions, one answer each
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1. What type of wave is an electromagnetic wave?
- A. Longitudinal
- B. Transverse
- C. Neither transverse nor longitudinal
- D. Sound wave
2. Which EM radiation has the shortest wavelength?
- A. Radio waves
- B. Infrared
- C. Ultraviolet
- D. Gamma rays
3. Which harmful effect is associated with infrared radiation?
- A. Skin burns
- B. Internal heating of body cells
- C. Cell mutation
- D. Cataracts only
4. Why do x-rays pose more danger to living cells than radio waves?
- A. X-rays travel faster
- B. X-rays have a higher frequency and carry more energy
- C. Radio waves are transverse and x-rays are not
- D. X-rays cannot penetrate the body
5. A doctor wants to sterilise medical equipment using EM radiation. Which type would be most appropriate?
- A. Radio waves
- B. Visible light
- C. Microwaves
- D. Gamma rays