Question 1

How are light and sound similar?

Accepted Answer

they are both waves

Answer

they are both electromagnetic

Answer

they both travel at the same speed

Question 2

When the velocity of an ocean wave decreases as it approaches a shore, what happens to the wave?

Accepted Answer

its height increases

Answer

its height decreases

Answer

its length shortens

Question 3

Which statement correctly describes both sound and light waves?

Accepted Answer

light waves can travel through space, sound waves cannot

Answer

light waves travel slower than sound waves

Answer

light waves can travel through water, sound waves cannot

Question 4

Some students were on a tour exploring the inside of a cave. While the students were in the cave, they realized they heard an echo every time that they spoke. Which MOST likely caused the echo to occur?

Accepted Answer

the accumulation of the sound waves

Answer

the refraction of the sound waves

Answer

the reflection of the sound waves

Question 5

Which of the following describes light waves?

Accepted Answer

transverse electromagnetic waves that can travel through matter and vacuum

Answer

transverse mechanical waves that require a medium

Answer

longitudinal electromagnetic waves that can travel through matter and vacuum