Properties of Sound

Question 1

What is the difference between a mechanical wave and an electromagnetic wave?

Revolt · Accepted Answer

A mechanical wave travels through matter, while an electromagnetic wave travels through empty space.

Question 2

Question 2

Revolt · Accepted Answer

73620

Question 3

Use the drop-down menus to identify the electromagnetic waves. Label A: Label C: Label D: Label G:

Revolt · Accepted Answer

radio waves; Selection 1: radio waves; Selection 2: infrared; Selection 3: visible light; Selection 4: gamma rays

Question 4

Question 4

Revolt · Accepted Answer

infrared

Question 5

Question 5

Revolt · Accepted Answer

visible light

Question 6

Question 6

Revolt · Accepted Answer

gamma rays

Question 7

Compared to visible light, the wavelength of X-rays is and the frequency is .

Revolt · Accepted Answer

shorter; Selection 1: shorter; Selection 2: higher

Question 8

Question 20

Revolt · Accepted Answer

higher

Question 9

Which are characteristics of electromagnetic waves? Check all that apply.

Revolt · Accepted Answer

Waves with a higher frequency have a shorter wavelength.; They all move at the same speed.; They can travel through space.

Question 10

What makes thermal imaging cameras useful?

Revolt · Accepted Answer

They can detect differences in temperature.

Properties of Sound Answers