IGCSE Wave Quiz

What is the unit of frequency?

• m/s

• Hz

• N

• J

A wave has a frequency of 50 Hz and a wavelength of 4 m. What is its speed?

• 54 m/s

• 200 m/s

• 2 m/s

• 20 m/s

Which type of wave requires a medium to travel?

• Light

• Radio waves

• Sound

• Gamma rays

On a wave graph, the distance from crest to crest is called:

• Amplitude

• Frequency

• Wavelength

• Wave speed

The bouncing back of a wave when it hits a surface is:

• Refraction

• Reflection

• Diffraction

• Transmission

What is the speed of a wave with frequency 60 Hz and wavelength 5 m?

• 12 m/s

• 300 m/s

• 65 m/s

• 355 m/s

Sound waves are best described as:

• Transverse and mechanical

• Longitudinal and electromagnetic

• Transverse and electromagnetic

• Longitudinal and mechanical

Which wave property changes when a wave enters a new medium?

• Wavelength

• Frequency

• Speed

• Both A and C

What type of EM wave is used in night vision equipment?

• X-rays

• Infrared

• Ultraviolet

• Microwaves

If the wave speed is 340 m/s and the wavelength is 0.85 m, what is the frequency?

• 289 Hz

• 400 Hz

• 425 Hz

• 0.002 Hz