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
Answer» C. generates mechanical energy to enhance chemical action on surfaces & scrubbing action loosens the dirt particles and cleans the food particle
Explanation: both the statements given are true.

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