Science, asked by kalpananitanaware, 1 month ago

Q1.Match the following

Column 'A' Column 'B'

1)Infrasound. a)Frequency
less than
20000Hz
2)Ultrasound. b) Frequency m. less than - 20Hz

c) frequency e. range20Hz-
20000Hz

Answers

Answered by rutvikapawar23

1

Answer:

a)20 Hz b)20 kHz c)20Hz 200000Hz

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