Physics

It is a pressure variation transmitted through matter as a longitudinal wave.

Answer explanation

Sound

It has frequency, wavelength and speed and Also reflect and interfere.

Answer explanation

Sound waves

What is the speed of the sound in air at room temperature (20°C)?

Answer explanation

343 m/s

The amplitude of a sound wave is measured in?

Answer explanation

Decibels (dB)

The loudness of a sound as perceived by the ear and brain depends mainly on its?

Answer explanation

Amplitude

It refers to the energy that travels in a given area perpendicular to the direction of the energy flow per unit time.

Answer explanation

Intensity

The frequency of a sound wave is heard as its?

The lower its ___, the lower its frequency

Answer explanation

pitch

It is a Device for detecting sounds whose frequencies range from 20 to 20,000 Hz (audible range).

Answer explanation

Ear

Sound waves above 20,00 Hz are called?

Answer explanation

ultrasonic waves

Those below 20 Hz are called what?

Answer explanation

infrasonic waves