Question

4. Use the table to answer the question.

Wave Wavelength (Meters) Frequency (hertz)
W 5 200
X 3 300
The table shows information about two waves. Based on the given information, which conclusion can be made?

(1 point)
Responses

Wave X has a faster speed
Wave X has a faster speed

Wave X has a greater amplitude
Wave X has a greater amplitude

Wave W has a greater amplitude
Wave W has a greater amplitude

Wave W has a faster speed
Wave W has a faster speed
Question 5
5. How are sound waves different from light waves? (1 point)
Responses

Sound waves are mechanical waves that can only travel through a medium, while light waves are electromagnetic waves that can travel through a medium or through a vacuum
Sound waves are mechanical waves that can only travel through a medium, while light waves are electromagnetic waves that can travel through a medium or through a vacuum

Sound waves are electromagnetic waves that can travel through a medium or through a vacuum, while light waves are mechanical waves that can only travel through a medium
Sound waves are electromagnetic waves that can travel through a medium or through a vacuum, while light waves are mechanical waves that can only travel through a medium

Sound waves are mechanical waves that can travel through a medium or through a vacuum, while light waves electromagnetic waves that can only travel through a medium
Sound waves are mechanical waves that can travel through a medium or through a vacuum, while light waves electromagnetic waves that can only travel through a medium

Sound waves are electromagnetic waves that can only travel through a medium, while light waves are mechanical waves that can travel through a medium or through a vacuum.

Answer 1

4. Wave W has a faster speed.
- W speed = 200 Hz × 5 m = 1000 m/s; X speed = 300 Hz × 3 m = 900 m/s.

5. Sound waves are mechanical waves that can only travel through a medium, while light waves are electromagnetic waves that can travel through a medium or through a vacuum.