waves

Question 1

what is the bottom of a wave called

Answer 1

trough

Question 2

what is the top of a wave called

Answer 2

crest

Question 3

what does displacement mean

Answer 3

how far a point on the wave is from the middle line.

Question 4

what is the term for how far a point the wave is from the middle line

Answer 4

displacement

Question 5

what is the name for the maximum displacement and what does it mean.

Answer 5

amplitude. the distance form the middle of the wave to a crest or trough.

Question 6

what is the order of the waves?

Answer 6

Radio waves, microwaves, infra-red, visible light, ultra violet, x-ray and gamma ray.

Question 7

What is infra-red?

Answer 7

Part of the electromagnetic spectrum. The human eye cannot see it, but humans can detect it as heat. A remote control uses light waves just beyond the visible spectrum of light—infrared light waves—to change channels on your TV.

Question 8

What is ultra violet?

Answer 8

The portion of the electromagnetic spectrum extending from the violet, or short-wavelength, end of the visible light range to the X-ray region. It can be used to create fluorescent effects. for example light shining on invisible ink in order to make it visible.

Question 9

What is gamma ray?

Answer 9

It is similar to an x-ray but is used in award-winning cancer screening devices and in surgical procedures to guide removal of tumours.