G9 WAVES

A physics student notices that 4.0 waves arrive at the beach every 20 seconds. The frequency

of these waves is ______.

• 0.2Hz

• 4.0Hz

• 5.0Hz

• 8.0Hz

The diagram below shows waves A and B in the same medium. How is wave B different to wave A?

• twice the amplitude and twice the wavelength

• twice the amplitude and half the wavelength

• the same amplitude and half the wavelength

• half the amplitude and the same wavelength

The time required to produce one cycle of a wave is known as the wave’s _____.

• period

• frequency

• wavelength

• amplitude

A microwave with a frequency of 5.0 × 10¹⁰ 𝐻𝑧 has a period of

• 2.0x10^-11s

• 6.0x10^-11s

• 3.0x10^-11s

• 5.0x10^-11s

Which of the following wave diagrams have both

wavelength (𝜆) and amplitude (𝐴) labeled correctly?

• 
• 
• 
• 

The diagram below represents a wave. What is the amplitude of the wave?

• 0.20 m

• 0.40 m

• 2.0 m

• 6.0 m

The diagram represents a wave. What is the wavelength of the wave?

• 0.20 m

• 0.40 m

• 2.0 m

• 6.0 m

The diagram represents a wave. What is the speed of the wave if its frequency is 8.0 hertz?

• 1.6 m/s

• 3.2 m/s

• 16 m/s

• 48 m/s

Two waves are traveling through the same container of nitrogen gas. Wave A has a wavelength of 1.5 m. Wave B has a wavelength of 4.5 m. The speed of wave B must be ________ the speed of wave A

• one-ninth

• same

• one-third

• three times larger than

Air particles around a vibrating tuning fork move back and forth as the wave progresses to the right as shown

below. Identify the type of wave.

• Longitudinal

• Transverse

• Water wave

• Light wave