Speed of Sound

A sound wave travels from air to water, which property of sound is evident?

• Diffraction

• Interference

• Reflection

• Refraction

Tags

NGSS.MS-PS4-2

A boy shout inside the church, he hears his own voice, which wave property it is?

• Diffraction

• Interference

• Reflection

• Refraction

Tags

NGSS.MS-PS4-2

An echo occurs when sound ___________.

• is transmitted through a surface

• is reflected from a distant surface

• changes speed when it strikes a distant surface

• all of the above

Tags

NGSS.MS-PS4-2

What is the speed of sound in 10 °C air temperature?

• 334 m/s

• 335.2 m/s

• 337 m/s

• 337.6 m/s

Tags

NGSS.MS-PS4-1

You can hear noises a long distance away over water at night because __________________________.

• molecules of air at night are cold and compressed to one another.

• molecules of air at night are warm and move in upward direction.

• molecules of air at night are warm and move in downward direction.

• molecules of air at night are cold and scattered in one direction.

Tags

NGSS.MS-PS4-2

NGSS.MS-PS4-1