Waves

Which option is an example of longitudinal waves?

• sound

• visible light

• s-waves

• radio waves

• gamma rays

Which option is an example of transverse waves?

• sound waves

• p-waves

• Visible light

• earthquake waves

Which wave has the shortest wavelength?

• microwave

• radio wave

• infrared

• visible light

What wave property does

 $\lambda$  represent?

• amplitude

• peak

• trough

• wavelength

• frequency

When light hits the shirt in the picture, which colour will be reflected?

• Blue

• Green

• Orange

• Purple

• White

The trough of a wave is the...

• lowest point of a wave

• highest point of a wave

• the midpoint of a wave

• time it takes for one wave to pass a point

When light hits a black object, like the one in the picture, what will happen to the different colors?

• All colours of light will be reflected

• All colours of light pass through it

• All colours of light will be absorbed

• None of the above

Using the equation triangle, calculate the speed of a sound wave that has a frequency of 30Hz and a wavelength of 0.5m.

 $\lambda$  is the wavelength
 $\nu$  is speed
 $f$  is frequency

• 15m/s

• 29.5m/s

• 30.5m/s

• 60m/s

P-waves are longitudinal waves.

• True

• False

All waves transfer...

• particles

• light

• heat

• energy