Unit 5 Waves Test Review

Refraction occurs when a wave changes its ___ as it passes through a different medium. 

• color

• frequency

• intensity

• speed

Which of the following would sound waves have the greatest speed traveling through?

• a hot pan

• a cold pan

• hot tub water

• Alaskan air

___ travels slowest through solids.

• medium

• light

• energy

• sound

 If the angle of reflection is 25 degrees, the angle of incidence is ___.

• 0 degrees

• 25 degrees

• 65 degrees

• 90 degrees

 All electromagnetic waves ___. 

• have the same wavelength

• travel at

  300,000,000 m/s

• have the same frequency

• have the same energy

The bending of light waves as they bend around an object is called ___. 

• reflection

• refraction

• diffraction

• interference

Light waves travel the fastest in ___. 

• a solid

• a liquid

• a gas

• empty space

Which electromagnetic wave comes from the sun to give you Vitamin D? 

• microwaves

• X-rays

• gamma rays

• ultraviolet waves

The bending of light waves as they pass through one medium to another is called ___.   

• reflection

• refraction

• diffraction

• interference

Wave A carries more energy than wave B.  Wave B must have a smaller ___ than wave A.  

• frequency

• amplitude

• wavelength

• speed