Introduction to Waves

What is the primary function of waves?

• Transfer energy from one place to another without transferring matter.

• Transfer matter from one place to another without transferring energy.

• Transfer both energy and matter from one place to another.

• Do not transfer either energy or matter.

What is amplitude in the context of a wave?

• The time it takes for one complete oscillation.

• How far the wave has traveled from its starting point.

• The maximum displacement from the equilibrium point.

• The distance of one entire oscillation.

What does the 'Time Period' of a wave represent?

• The number of complete oscillations per second.

• The time it takes for one complete oscillation.

• The maximum displacement of the wave.

• The distance between two consecutive crests.

A sound wave has a frequency of 400 Hz and a wavelength of 70 cm. What is its wave speed?

• 28 m/s

• 40 m/s

• 70 m/s

• 280 m/s

What is a defining characteristic of transverse waves?

• Oscillations are perpendicular to the direction of energy transfer.

• Oscillations are parallel to the direction of energy transfer.

• Oscillations only occur in a vacuum.

• Oscillations are always circular.