(Savvas 17.3) Ch. 17.3 Behavior of Waves

Circle the letter of the results that occur when a wave reflects off a fixed boundary.

• The reflected wave will be turned upside down.

• The amplitude will double as it strikes the surface.

• The speed of the wave will decrease.

• The frequency of the wave will decrease.

Why does refraction occur when a wave enters a new medium at an angle? Fill in the blank: Refraction occurs because _______________.

• the speed of the wave changes

• the wavelength of the wave changes

• the frequency of the wave changes

• the amplitude of the wave changes

Tags

NGSS.HS-PS4-1

Is the following sentence true or false? Refraction always involves a change in the speed and direction of a wave.

• True

• False

What is the main idea of Reflection in wave interactions?

• Waves pass through surfaces.

• Waves bounce off surfaces.

• Waves are absorbed by surfaces.

• Waves change speed on surfaces.

Tags

NGSS.MS-PS4-2

Which of the following is an example of interference?

• Two waves meet and cancel each other out.

• A wave bounces off a surface.

• A wave changes direction.

• A wave enters a new medium.

Tags

NGSS.HS-PS4-5

Standing waves are formed when _______________.

• waves pass through each other

• waves reflect off a surface

• waves interfere with each other

• waves change speed

What is the main idea of Diffraction in wave interactions?

• Waves bounce off surfaces.

• Waves bend around obstacles.

• Waves change speed.

• Waves are absorbed by surfaces.

Is the following sentence true or false? A wave diffracts more if its wavelength is small compared to the size of an opening or obstacle.

• True

• False

Tags

NGSS.HS-PS4-1

What causes wave interference?

• The superposition of two or more waves

• The reflection of waves from a surface

• The refraction of waves through a medium

• The absorption of waves by a material

Tags

NGSS.HS-PS4-5

Is the following sentence true or false? If a standing wave occurs in a medium at a given frequency, another standing wave will occur if this frequency is doubled.

• True

• False

Tags

NGSS.HS-PS4-1