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Mr. Dubey • 100.64K Points
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Q. Which of the following is true about Sound Ultrasound?

  • (A) generates mechanical energy to enhance chemical action on surfaces
  • (B) scrubbing action loosens the dirt particles and cleans the food particle
  • (C) generates mechanical energy to enhance chemical action on surfaces & scrubbing action loosens the dirt particles and cleans the food particle
  • (D) none of the mentioned
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Explanation by: Mr. Dubey
both the statements given are true.

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