4 years ago

Differentiate between:1.Crest and trough.2. Infrasound and ultrasound.

Mathematics

1 answer:

Vinil7 [7]4 years ago

5 0

Answer:

A crest is the highest point of a wave.

A trough is the lowest point of a wave.

Infrasound is sound below the limit that humans can hear, below 20 Hz.

Ultrasound is sound above the limit that humans can hear, above 20,000 Hz.

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