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The oscilloscope traces for sound waves ...

The oscilloscope traces for sound waves with different frequencies are shown here. The noises shown in the diagram in the increasing order of frequency are a

A

Car engine, Scream, Dentist's drill, Road drill

B

Road drill, Car engine, Dentist's drill, Scream

C

Scream, Car engine, Dentist's drill, Road drill

D

Dentist's drill, Road drill, Scream, Car engine

Text Solution

Verified by Experts

The correct Answer is:
B
Road drill, Car engine, Dentist.s drill, Scream
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