Q. Which of the following uses electromagnetic waves?

  • (A) radio
  • (B) radiotherapy
  • (C) detecting fractures
  • (D) electric motors
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✅ Correct Answer: (A) radio
Explanation: electromagnetic waves are used in the radio. while radiotherapy and detecting fractures are done by x-rays and electric motor comes under the electric appliance.

Published by Mr. Dubey ⭐ 109.99K Points at 19-Sep-2023 08:23 pm in Fluid Mechanics and Machinery

Explanation by: Mr. Dubey
electromagnetic waves are used in the radio. while radiotherapy and detecting fractures are done by x-rays and electric motor comes under the electric appliance.

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