Light Quiz

Question

Which of these statements is true?

Answer 1

Light travels in straight lines.

Answer 2

Light is stopped when it meets a solid object.

Answer 3

Light does not travel in straight lines.

Answer 4

Light will only travel for about 2000 km before it stops

Answer 5

they are luminous.

Answer 6

the Sun shines on them.

Answer 7

light from them enters our eyes.

Answer 8

light from our eyes shines on them.

Answer 9

light will only travel a certain distance before it stops.

Answer 10

a substance called ‘darkness’ collects behind some objects.

Answer 11

some objects do not give out light in all directions.

Answer 12

light cannot go through some objects.

Answer 13

Sound travels faster than light.

Answer 14

Light does not travel. It is either on or off.

Answer 15

Light travels faster than sound.

Answer 16

Light and sound travel at the same speed.

Answer 17

transmit and reflect light.

Answer 18

transmit and absorb light.

Answer 19

reflect and absorb light.

Answer 20

only reflect light.

Answer 21

a white sheet of paper.

Answer 22

a sheet of clear glass.

Answer 23

a black piece of card.

Answer 24

an orange piece of card.

Answer 25

They both form an upside-down image.

Answer 26

They both use a lens to focus light.

Answer 27

They both convert light to electrical signals.

Answer 28

They both take photographs.

Answer 29

the optic nerve

Answer 30

the retina

Answer 31

Light bounces evenly off rough surfaces.

Answer 32

Light bounces evenly off smooth surfaces like mirrors.

Answer 33

Light bounces off mirrors in all directions.

Answer 34

Light does not bounce off mirrors.

Answer 35

a flat mirror.

Answer 36

a curved mirror.

Answer 37

a shiny mirror.

Answer 38

a mirror used in aeroplanes.

Answer 39

is not as good looking as I am.

Answer 40

is upside down.

Answer 41

is always bigger than you.

Answer 42

seems to be behind the mirror.

Answer 43

hits an opaque object.

Answer 44

bounces off a mirror.

Answer 45

is scattered unevenly by a rough surface.

Answer 46

changes direction as it goes from one substance into another at an angle.

Answer 47

light speeds up when it goes from air to glass or water.

Answer 48

light slows down when it goes from air to glass or water.

Answer 49

light stops when it goes from air to glass or water.

Answer 50

light reflects inside transparent materials.

Answer 51

Image:

Rays A (binary/octet-stream)

Answer 52

Image:

Rays B (binary/octet-stream)

Answer 53

Image:

Rays C (binary/octet-stream)

Answer 54

Image:

Rays D (binary/octet-stream)

Answer 55

A rainbow is a spectrum of colours.

Answer 56

White light is made up of many colours.

Answer 57

A spectrum can only be made using paints.

Answer 58

A prism can split white light into a spectrum.

Answer 59

absorbs red light.

Answer 60

lets through all colours of light.

Answer 61

only lets red light through.

Answer 62

changes all the colours into red light.

Answer 63

they reflect all colours.

Answer 64

they refract all colours.

Answer 65

they absorb blue light.

Answer 66

they reflect blue light.

Answer 67

In blue light, his shorts look blue and his shirt looks black.

Answer 68

In blue light, his shorts look blue and his shirt looks red.

Answer 69

In red light, his shorts look red and his shirt looks black.

Answer 70

In green light, his shorts look red and his shirt looks yellow.

Answer 71

Light changes direction when it goes into the glass and when it comes out of it.

Answer 72

Light changes direction in the centre of the lens.

Answer 73

Light is reflected by the surface of the lens.

Answer 74

Light travels faster in glass than it does in air.

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Light Quiz

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	Criado por Jeffrey Piggott quase 7 anos atrás