Waves🌊

Question 1

Define a wave simply.

Answer 1

A disturbance that moves energy from one place to another.

Question 2

What is the substance that waves move through called?

Answer 2

The medium.

Question 3

List 4 types of Mediums, and give an example of each:

Answer 3

1) Gas (air)
2) Liquid (water)
3) Solid (rope)
4) Vaccum

Question 4

What is the high point of a wave called?

Answer 4

The crest.

Question 5

What is the low point of a wave called?

Answer 5

The trough.

Question 6

What is the word to describe the movement of water moving back and forward, creating crests and troughs?

Answer 6

Oscillation.

Question 7

Define a Pulse Wave.

Answer 7

Waves caused by a one time/single disturbance.

Question 8

What do you call waves caused by a one time/single disturbance?

Answer 8

A Pulse Wave.

Question 9

Define a Periodic Wave.

Answer 9

Waves that are caused by a periodical, continuous or repetitive disturbance.

Question 10

What do you call waves that are caused by a periodical, continuous or repetitive disturbance?

Answer 10

A Periodic Wave.

Question 11

Define a Transverse Wave.

Answer 11

Wave that consists of a disturbance occurring perpendicular to the travel direction of the wave.

Question 12

What do you call a wave that consists of a disturbance occurring perpendicular to the travel direction of the wave?

Answer 12

A Transverse Wave.

Question 13

In Transverse Waves the coils travel in the same direction as the wave - True or False?

Answer 13

False, they do not travel in the same direction as the wave.

Question 14

Why don’t the coils travel in the same direction of the wave in a Transverse Wave?

Answer 14

They only move up and down.

Question 15

Where does the wave originate?

Answer 15

The source. e.g a hand moving up and down.

Question 16

In transverse waves the direction of the wave makes what angle with the movement of the source?

Answer 16

90 degrees/ a right angle.

Question 17

All electromagnetic waves are ___________ waves.

Answer 17

Transverse.

Question 18

All ____________ waves are Transverse.

Answer 18

Electromagentic.

Question 19

Give 2 examples of Transverse waves:

Answer 19

Light, Microwaves. (Infrared, Radio)

Question 20

Define Longitudinal Waves.

Answer 20

Waves that consist of a disturbance occurring parallel to the direction of the wave.

Question 21

In Longitudinal Waves the disturbance occurs in what direction of the wave?

Answer 21

Parallel to the wave.

Question 22

In longitudinal waves the coils move in what directions?

Answer 22

Left and right.

Question 23

The wave travels _____ from the source.

Answer 23

Away.

Question 24

Give 2 examples of Longitudinal waves:

Answer 24

Sounds Waves, Vibrations in a spring. (Ultrasound, Pressure waves)