Question

Ultrasounds are able to travel along well defined paths even in the presence of obstacles. explain

Answer 1

Answer:

Ultrasounds are high frequency waves. Ultrasounds are able to travel along welldefined paths even in the presence of obstacles. ... Due to the high frequency, the particles of dust, grease and dirt get detached and drop out. The objects thus get thoroughly cleaned.

Answer 2

Explanation:

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