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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 |
| 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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