Waves and the Electromagnetic Spectrum

Question 1

This type of electromagnetic wave is used in television remotes.

Accepted Answer

infrared waves

Question 2

Which wave has the most energy, highest frequency and shortest wavelength?

Accepted Answer

gamma rays

Question 3

This type of electromagnetic wave is used in cell phone texting.

Accepted Answer

microwaves

Question 4

This type of electromagnetic wave is used in restaurants to keep food warm.

Accepted Answer

infrared

Question 5

This type of electromagnetic carries television signals.

Accepted Answer

radiowaves

Question 6

This type of electromagnetic wave shows cavities in teeth.

Accepted Answer

xrays

Question 7

This type of electromagnetic wave is used to treat some cancers.

Accepted Answer

gamma rays

Question 8

This type of electromagnetic wave is used to kill germs.

Accepted Answer

ultra violet rays

Question 9

What is wavelength?

Accepted Answer

the length of a wave

Question 10

This happens when sound waves bounce.

Accepted Answer

echo

Question 11

Which wave has the least energy, lowest frequency and longest wavelength?

Accepted Answer

radiowaves

Question 12

This type of electromagnetic wave can give you skin cancer.

Accepted Answer

ultra violet rays

Question 13

What is Amplitude?

Accepted Answer

the height of a wave

Question 14

This type of electromagnetic wave is used to cook food.

Accepted Answer

microwaves

Question 15

This happens when light reflects and refracts

Accepted Answer

rainbow appears

Question 16

When you have a short wavelength you have a....

Accepted Answer

high frequency

Questions 16