Sound And Light

Question 1

Refraction

Answer 1

The bending of light waves when they down whilst going through a different medium

Question 2

Plane mirror

Answer 2

A plain mirror reflects light perfectly(specular reflection)

Question 3

Cornea

Answer 3

The cornea protects the eye

Question 4

Lens

Answer 4

The lens refracts light so you can see

Question 5

Retina

Answer 5

When the light hits here it sends the image to the brain

Question 6

Speed of light

Answer 6

300,000,000 metres a second

Question 7

Speed of sound

Answer 7

340 metres a second in air, 1500 m/s in a liquid and 5000 m/s in a solid.

Question 8

Pitch

Answer 8

How high it is in Hz

Question 9

Amplitude

Answer 9

The volume of a sound

Question 10

Frequency

Answer 10

How high pitch it is

Question 11

Medium

Answer 11

A different material

Question 12

Spectrum

Answer 12

The colures in a rainbow

Question 13

Wave

Answer 13

The transfer of energy

Question 14

Ultrasound

Answer 14

Sound humans can’t hear

Question 15

Echo

Answer 15

Reflection of sound

Question 16

Audible range

Answer 16

The range of what humans can hear

Question 17

Vaccum

Answer 17

A place where there are no particles (eg. Space)

Question 18

Convex lens

Answer 18

A convex lens converges light by refracting it

Question 19

Concave lens

Answer 19

A concave lens diverges light by refracting it

Question 20

Oscillation

Answer 20

This is when something moves back and forth continualy

Question 21

Reverberation

Answer 21

This courses an echo

Question 22

Trough

Answer 22

The top of a wave

Question 23

Reflected ray

Answer 23

This is when light bounces of a plane mirror

Question 24

Angle of refraction

Answer 24

The angle that is made when something is refracted

Question 25

Incident ray

Answer 25

The ray that gets reflected

Question 26

Specular reflection

Answer 26

Specular reflection is the mirror like reflection

Question 27

Transversal wave

Answer 27

When the vibrations are at a right angle

Question 28

Longitudinal wave

Answer 28

This is when the wave is parallel

Question 29

Law of reflection

Answer 29

The incident ray and reflected rays angles compared to the normal are the same

Question 30

Diffuse scattering

Answer 30

When the light hits a rough surface and scatters

Question 31

Dispersion

Answer 31

the separation of white light into colours

Question 32

Wave length

Answer 32

the distance over which the wave's shape repeats