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Flashcards in P1.5 Waves Deck (40)
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1

What is wavelength?

The distance between two points on a wave (The same point)

2

what is frequency?

number of waves per second (Hz)

3

what are longitude waves?

Sound waves and waves in a stretched spring

4

what are transverse waves?

Light and other types of electromagnetic radiation

5

what is the electromagnetic spectrum

The electromagnetic spectrum is the range of all possible frequencies of electromagnetic radiation

6

what is amplitude

the maximum height of a wave from the middle of the wave to its crest or through

7

what is pitch

the frequency of a sound. sounds with a high pitch have a high frequency.

8

what is duration

the duration of the sound

9

what is loudness

whether its loud or quiet

10

what are light waves

the waves of light that travel to a certain place.

11

What is a transverse wave?

A wave which has vibrations perpendicular (90 degrees) to their direction of travel.

12

What is a longitudinal wave?

A wave which has vibrations that are parallel to their direction of travel.

13

what is the a example of a longitudinal wave?

sound wave

14

waves transfer.....?

Energy without transferring any matter.

15

what is wavelength measured in

metres

16

what does it mean that the frequency of a wave is 25 hertz

there are 25 waves per second

17

how do you calculate speed of a wave?

frequency X wavelength

18

what is meant by diffraction?

The spreading out of waves when they pass through a gap or an obstacle

19

what is refraction?

when a wave changes direction as it hits the boundary between two different media

20

what is the name given to a reflected sound wave?

echo

21

what similar properties do EM waves have?

can be reflected
can travel through a vacuum
can be refracted

22

what is speed measured in?

m/s

23

what is frequency measured in?

Hz

24

what is wavelength measured in?

M

25

the reflection of light allows us to?

see objects as light bounces off them into your eyes

26

the angle of incidence ALWAYS EQUALS?

the angle of reflection

27

what uses do infrared waves have?

remote controls

28

what uses to microwaves have?

mobile phones

29

what waves are in the electromagnetic spectrum?

Radio, microwave, infared, visible light, ultraviolet, x rays and gamma rays

30

EM waves with higher frequencies have...?

shorter wavelengths