GENERAL KNOWLEDGE

GK

UNITS DEVICES DIMENSIONS AND MEASUREMENTS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which instrument is used to convert sound waves into electrical vibrations?
A
Micrometer
B
Manometer
C
Machmeter
D
Magnetometer
Explanation: 

Detailed explanation-1: -Micrometer: It converts sound waves into electrical vibration. Microphone: It is well known to convert sound waves into electrical signals.

Detailed explanation-2: -A loudspeaker converts sound energy to electrical energy.

Detailed explanation-3: -Cochlea converts sound waves into electrical impulses. The cochlea receives sound in the form of vibrations and converts that motion into electrical signals. These electrical signals are communicated via neurotransmitters to nerve cells in the brain.

Detailed explanation-4: -Thus, the eardrum converts sound waves into mechanical vibrations. Q.

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