Question

10 different sounds you hear in the surrounding

Answer 1

Answer:

1. PLEASANT
2. UNPLEASANT
3. MUSIC
4. LOUD
5. SOFT
6. AUDIBLE INAUDIBLE
7. PSYCHOLOGICAL
8. SEMANTIC
9. PHYSICAL
10. CULTURAL NOISE

Explanation:

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Answer 2

Answer:

1. Sound is a form of energy that causes air to vibrate, creating sound waves.
2. Sound waves from the air travel to our ears and are carried down the auditory canal to the ear drum.
3. Healthy humans can hear sound frequencies that range from 20 to 20,000 Hz.
4. Knife on a bottle,Fork on a glass,Chalk on a blackboard,Ruler on a bottle,Nails on a blackboard,Female scream,Angle grinder,

Brakes on a cycle squealing,Baby crying,

Electric drill are the most unpleasant sound

5. Sound waves with frequencies less than 20Hz are called infrasonic or subsonic.

6. Soundthose with frequencies above 20kHz are called ultrasonic.

7. Supersonic sound is defined as the speed of the object is great then the speed of the object