Light: Properties, Reflection, Refraction, and Absorption

Question 1

Which material allows light to pass through it clearly, like you can see through it?

Accepted Answer

Glass

Answer

Wood

Answer

Metal

Answer

Cardboard

Question 2

When light hits a shiny surface, such as a mirror, what happens to the light?

Accepted Answer

It is reflected

Answer

It is absorbed

Answer

It is refracted

Answer

It is dispersed

Question 3

What is the path called when light travels from one medium to another, like from air to water?

Accepted Answer

Refraction path

Answer

Reflection path

Answer

Absorption path

Answer

Dispersion path

Question 4

Which type of surface absorbs most of the light that hits it, like a blackboard?

Accepted Answer

Matte surface

Answer

Glossy surface

Answer

Transparent surface

Answer

Shiny surface

Question 5

What happens to light when it passes through a special glass shape called a prism?

Accepted Answer

It is dispersed into different colours

Answer

It is refracted

Answer

It is reflected

Answer

It is absorbed

Question 6

In science, we imagine that light travels in straight lines called what?

Accepted Answer

Ray path

Answer

Light path

Answer

Ray line

Answer

Light line

Question 7

How does a rainbow form?

Accepted Answer

When light bends as it passes through water droplets

Answer

When light reflects off of clouds

Answer

When light is absorbed by the air

Answer

When light is emitted from the sun

Question 8

Which of the following is NOT a property of light?

Accepted Answer

It has weight

Answer

It travels in straight lines

Answer

It can be reflected

Answer

It can be refracted

Question 9

How fast does light travel?

Accepted Answer

2,997,924,580 metres per second

Answer

100 metres per second

Answer

300,000 kilometres per second

Answer

1,000,000,000 metres per second

Question 10

Which of the following is NOT a property of light?

Accepted Answer

Light can carry electric current.

Answer

Light travels in straight lines.

Answer

Light can bounce off surfaces.

Answer

Light can bend when passing from one material to another.

Question 11

Which material would you expect to reflect the most light?

Accepted Answer

White paper

Answer

Glass

Answer

Water

Answer

Black paint

Question 12

When light passes from air to water, what happens?

Accepted Answer

Its direction changes.

Answer

Its speed increases.

Answer

Its intensity decreases.

Answer

Its color changes.

Question 13

True or False: Light can only travel through empty space.

Accepted Answer

False

Answer

True

Question 14

Which of the following colors of light has the shortest wavelength?

Accepted Answer

Blue

Answer

Red

Answer

Yellow

Answer

Green

Question 15

Which of the following is a natural source of light?

Accepted Answer

The sun

Answer

A light bulb

Answer

A laser pointer

Answer

A flashlight

Question 16

Light travels at a speed of approximately:

Accepted Answer

300,000 kilometers per second

Answer

100,000 kilometers per hour

Answer

500,000 kilometers per hour

Answer

1,000,000 kilometers per second

Question 17

When light travels from air into water, what happens?

Accepted Answer

It slows down and bends towards the normal

Answer

It slows down and bends away from the normal

Answer

It speeds up and bends towards the normal

Answer

It speeds up and bends away from the normal

Question 18

Which of these is NOT a property of light?

Accepted Answer

It has a mass

Answer

It travels in straight lines

Answer

It is reflected

Answer

It is refracted

Question 19

What causes a rainbow to form?

Accepted Answer

Sunlight passing through water droplets

Answer

Sunlight passing through a prism

Answer

Sunlight passing through a lens

Answer

Sunlight passing through a mirror

Question 20

Which device uses the principle of reflection?

Accepted Answer

Periscope

Answer

Telescope

Answer

Microscope

Answer

Binoculars

Question 21

When light hits a surface at an angle, what is the angle of incidence?

Accepted Answer

The angle between the incoming light and the normal

Answer

The angle between the reflected light and the normal

Answer

The angle between the refracted light and the incoming light

Answer

The angle between the incoming light and the surface

Question 22

Why does the sky look blue?

Accepted Answer

Rayleigh scattering

Answer

Mie scattering

Answer

Reflection

Answer

Refraction

Question 23

A light bulb emits light with a constant intensity. As you move away from the light bulb, what happens to the brightness of the light?

Accepted Answer

The brightness of the light decreases as you move away from the light bulb.

Answer

The brightness stays the same, no matter how far you move away from the light bulb.

Answer

The brightness of the light increases as you move away from the light bulb.

Question 24

How does light enable us to see our surroundings?

Accepted Answer

Light reflects off objects and enters our eyes.

Answer

Light is absorbed by objects, making them visible.

Answer

Light bends around objects, forming images in our eyes.

Answer

Light passes through objects without affecting them.

Question 25

When light bounces off a smooth surface, it reflects at what angle?

Accepted Answer

An angle equal to the angle it hit the surface

Answer

Any angle

Answer

A random angle

Answer

An angle perpendicular to the surface

Question 26

Which of these objects uses a convex mirror?

Accepted Answer

Car wing mirror

Answer

Shop window

Answer

Magnifying glass

Answer

Telescope lens

Question 27

Which color of visible light has the longest wavelength?

Accepted Answer

Red

Answer

Orange

Answer

Yellow

Answer

Blue

Question 28

Approximately how fast does light travel in a vacuum?

Accepted Answer

299,792 kilometers per second

Answer

300,000 kilometers per second

Answer

340,000 kilometers per second

Answer

350,000 kilometers per second

Question 29

What is the term for the bending of light as it passes from one material to another?

Accepted Answer

Refraction

Answer

Reflection

Answer

Absorption

Answer

Diffraction

Question 30

What happens when a light beam hits a shiny surface, like a mirror?

Accepted Answer

It bounces off the surface.

Answer

It is soaked up by the surface.

Answer

It goes through the surface.

Answer

It changes direction.

Question 31

Which of these is NOT a property of light?

Accepted Answer

Light has mass.

Answer

Light travels in straight lines.

Answer

Light can be absorbed.

Answer

Light can be bent.

Question 32

Which colour of light has the longest waves?

Accepted Answer

Red

Answer

Green

Answer

Blue

Answer

Violet

Question 33

When light goes from one material to another, like from air to water, what is the name for the change in its direction?

Accepted Answer

Refraction

Answer

Reflection

Answer

Absorption

Answer

Dispersion

Question 34

What do we use to measure how fast light travels?

Accepted Answer

Metres per second

Answer

Kilometres per hour

Answer

Miles per hour

Answer

Light years

Question 35

What is the name of the part of your eye that senses light?

Accepted Answer

Retina

Answer

Iris

Answer

Pupil

Answer

Lens

Question 36

Which of these is a property of light?

Accepted Answer

It travels in straight lines.

Answer

It has weight.

Answer

It has a smell.

Answer

It is curved.

Question 37

What happens when light hits a mirror?

Accepted Answer

It bounces off or reflects.

Answer

It goes through it or transmits.

Answer

It stops or absorbs.

Answer

It changes color or refracts.

Question 38

Which material allows light to pass through it clearly without scattering?

Accepted Answer

Glass

Answer

Wood

Answer

Wax paper

Answer

Metal

Question 39

What happens when light passes through a prism?

Accepted Answer

It changes direction or bends.

Answer

It slows down.

Answer

It disappears.

Answer

It stops.

Question 40

Which of the following is an example of absorption of light?

Accepted Answer

A black object

Answer

A prism

Answer

A mirror

Question 41

What is a source of light?

Accepted Answer

An object that emits light

Answer

An object that blocks light

Answer

An object that reflects light

Question 42

What is the difference between transparent and translucent materials?

Accepted Answer

Transparent materials allow light to pass through them clearly, while translucent materials allow light to pass through but scatter it.

Answer

Transparent materials do not allow light to pass through, while translucent materials do.

Question 43

What is needed to create a rainbow?

Accepted Answer

Water droplets and sunlight

Answer

Sugar and water

Answer

Salt and water

Answer

Flour and water

Question 44

Which material allows light to pass through so that objects can be seen clearly?

Accepted Answer

Glass

Answer

Brick

Answer

Wood

Answer

Metal

Question 45

What happens when a beam of light strikes a shiny surface like a mirror?

Accepted Answer

It bounces off in a straight line

Answer

It is absorbed

Answer

It curves

Answer

It passes through

Question 46

Which object will cast a dark shadow when light shines on it?

Accepted Answer

Black box

Answer

White box

Answer

Red box

Question 47

What is the term for the change in direction of light as it passes from one material into another?

Accepted Answer

Refraction

Answer

Reflection

Answer

Absorption

Answer

Diffraction

Question 48

Which of the following describes a characteristic of light?

Accepted Answer

Light travels in straight lines

Answer

Light is a solid

Answer

Light can only move through air

Question 49

What occurs when light interacts with a non-glossy, dark-colored surface?

Accepted Answer

It is absorbed

Answer

It passes through

Answer

It is reflected

Answer

It is refracted

Question 50

What is the name of the part of the eye that is sensitive to light and sends signals to the brain?

Accepted Answer

Retina

Answer

Iris

Answer

Pupil

Question 51

What is the name for the arrangement of colors in the order of their wavelength, as seen in a rainbow?

Accepted Answer

Spectrum

Answer

Aurora

Answer

Halo