Speed of sound

Front

What is the speed of sound in air at 20 degrees Celsius?

Back

343 m/s

Front

What is the formula to calculate the wavelength of sound?

Back

Wavelength = Speed of Sound / Frequency

Front

What is the audible range of sound frequencies?

Back

20 Hz to 20,000 Hz

Front

Why does sound not travel in space?

Back

There is no matter in space.

Front

How far away was the lightning if the thunder was heard 6 seconds later and the speed of sound is 333 m/s?

Back

2 km

Front

What is the speed of sound in air?

Back

Approximately 340 m/s.

Front

What happens to the speed of sound as temperature increases?

Back

The speed of sound increases with temperature.

Front

What is the relationship between frequency and wavelength in sound waves?

Back

Higher frequency means shorter wavelength.

Front

What are infrasonic sounds?

Back

Sounds with frequencies below 20 Hz.

Front

What are ultrasonic sounds?

Back

Sounds with frequencies above 20,000 Hz.