MIDTERM EXAMINATION - Waves and Optics Laboratory

It is a  vibration that travels through a medium.

• Wave

• Sound

• Propagation

________ is something that transports energy from one place to another.

• Wave

• Sound

• Propagation

It is a simple pressure wave caused by the movement of air molecules.

• Water waves

• Air waves

• Sound waves

What is/are medium/s where sound travel?

• Air

• Water

• Both air and water

An individual with a normal hearing can hear sounds with a range of around _____

• 20 - 2,000 Hz

• 20-20,000 Hz

• 20-200,000 Hz

________ travels in the form of sound waves.

• Wave energy

• Sound energy

• Air energy

The speed of sound in vacuum in m/s is:

• O

• 1500

• 343

The speed of sound is ______ in different mediums.

• The same

• Different

• It depends.

A wave that transfers energy by compressing and expanding the medium.

• Transverse waves

• Surface waves

• Longitudinal waves

A wave that transfer energy by displacing the medium in a circular motion.

• Transverse waves

• Surfaces waves

• Longitudinal waves