Light is an example of a transverse wave

• True

• False

Tags

NGSS.HS-PS4-3

Which of the following statements describes the period of a wave?

• Number of waves per second

• Distance from crest to crest

• Distance from resting position to top of the wave

• Time taken to produce one wave

The period of a wave is 0.1 s. What is the frequency of this wave?

• 0.1 Hz

• 1 Hz

• 10 Hz

• 100 Hz

Tags

NGSS.HS-PS4-1

The lowest frequency form of visible light is...

• Red

• Yellow

• Green

• Violet

Tags

NGSS.HS-PS4-4

The correct order of the EM spectrum is...

• R M IR UV V X G

• G X UV V M R

• R M IR V UV G

• R M IR V UV X G

One use of radio waves is...

• Broadcasting and communications

• Heating

• Observing internal structure of objects

• Sterilising food and medical equipment

Tags

NGSS.HS-PS4-3

NGSS.HS-PS4-5

The following image demonstrates...

• Reflection

• Refraction

• Interference

• Diffraction

Tags

NGSS.HS-PS4-5

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

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

The critical angle of a block is 45 degrees. What is the refractive index of this block?

• 1.39

• 1.40

• 1.41

• 1.42