Waves, Reflection and Refraction

The units of frequency are...

• metres

• seconds

• Hertz

• degrees

Tags

NGSS.HS-PS4-1

Light is an example of a transverse wave

• True

• False

Tags

NGSS.HS-PS4-3

Sound is an example of a transverse wave

• True

• False

A microwave has a frequency of 300,000 kHz. What is the wavelength of these waves? (speed of light = 300,000,000 m/s)

• 1000 m

• 100 m

• 10 m

• 1 m

Tags

NGSS.HS-PS4-1

The following image demonstrates...

• Reflection

• Refraction

• Interference

• Diffraction

Tags

NGSS.HS-PS4-1

• 1.37

• 1.36

• 1.35

• 1.34

20 waves pass a point in 5 s. How is the frequency of these waves?

• 100 Hz

• 20 Hz

• 5 Hz

• 4 Hz

Tags

NGSS.HS-PS4-1

All waves can be reflected and refracted.

• True

• False

The critical angle in the diagram is 43 degrees. What is the angle of refraction at the critical angle?

• Less than 43

• Equal to 43

• More than 43 but less than 90

• Equal to 90 degrees

A ray of light passes through a window. Which path does it take? 

• A
• B
• C
• D

Tags

NGSS.MS-PS4-2