{{asɛmtiNe Ɔkyerɛwfo}} | Nhomakorabea | Nneɛma a ɛma wotumi yɛ ade

Ɛhia

1

Which sentence best describes how light radiates out from a source

Light radiates out form all points on a source towards the detector

Light radiates out from a source towards the detector

Light is emitted in all directions from every point on a source

Light is emitted in some directions from every point on a source

Ɛhia

1

What is a light ray?

an imaginary line showing one path light travels along

an imaginary line showing the only path light travels along

a single beam of light

a small group of beams of light

Ɛhia

1

What does light transfer

energy and particles

energy only

energy, particles and information

energy and information

Ɛhia

1

Describe the image formed from a pin hole camera?

bright, clear and inverted

dim, fuzzy and inverted

dim, clear and inverted

dim clear but not inverted

Ɛhia

1

Which option describes the meaning of "inverted"

to make a reflected image of something

to make an image of something on a screen

to change the position of something, so the top of it is where the bottom of it normally is

To produce an image that is not very bright

Ɛhia

1

What answer is a model of how light transfers information

source --> object --> detector

Object --> source --> detector

detector ---> object --> source

source --> detector --> object

Ɛhia

1

Where does a reflection appear?

behind the mirror

on the mirror

in front of the mirror

Ɛhia

1

Where is the reflection observed in the mirror produced?

By the object - the mirror

by the source of light

By the object that is seen in the mirror

By the detector - our eyes

Ɛhia

1

What do we call a material light travels through

a medium

a optical material

a boundary

a fluid

Ɛhia

1

What do physicists call the surface between two mediums?

a boundary

a optical material

a medium

a fluid

Ɛhia

1

What can light do when it reaches a boundary?

reflect or be absorbed

Reflect, transmit, or be absorbed

reflect or transmit

Reflect only

Ɛhia

1

Describe the surface of a lens

rough and curved

smooth and curved

rough and flat

smooth and flat

Ɛhia

1

Which lens will refract light the most?

one with a larger surface area

one with the flattest surface

One with a more curved surface

one with a smoother surface

Ɛhia

1

Which lens will refract light the least?

one with the flattest surface

one with a larger surface area

One with a more curved surface

one with a smoother surface

Ɛhia

1

Images produced by lenses are

bright, fuzzy and inverted

bright, clear and inverted

dim, fuzzy and inverted

bright and clear but not inverted

This question looks at how a pin hole cameras produce an image.

Ɛhia

1

Tick which image best shows how light is emitted from a bulb.

null

Ɛhia

3

Ɛhia

2

A student carries out an investigation into the law of reflection. They test 5 values of the angle of incidence and measure the angle of reflection each time.

null

Ɛhia

1

The normal line is drawn at degrees to the surface of the mirror.

Ɛhia

2

Fill in the missing words to describe how the student should measure the angle of incidence:

We measure the angle of incidence from the to the incident ray using a .

Ɛhia

2

Ɛhia

1

Ɛhia

2

The student's experiment is reproducible. What does an experiment being “reproducible” mean?

Refraction happens when light passes through a boundary between two materials.

Ɛhia

1

Draw the light ray as it passes through the glass block using the straight line tool.

Ɛhia

1

Describe what happens to the light ray as it passes from the air into the glass block.

Ɛhia

3

A student looking into the beaker can only see the silver coin. When the beaker of water is filled with water they can see the gold (second) coin as well. Explain why the student can only see the gold coin when there is water in the beaker.

This question is about lenses.

Ɛhia

4

Draw two rays of light from point a on the bear that pass through the converging lens and light up point b on the screen. i) one that passes through the point on the top of the lens ii) one ray that passes through the point on the bottom of the lens

Ɛhia

1

What happens to light as it passes the surface of the lens?

Ɛhia

2

What does a converging lens do to the light reaching it from one point on an object?

Ɛhia

2

P06 EOTT - Making images

P06 EOTT - Making images

Which sentence best describes how light radiates out from a source

What is a light ray?

What does light transfer

Describe the image formed from a pin hole camera?

Which option describes the meaning of "inverted"

What answer is a model of how light transfers information

Where does a reflection appear?

Where is the reflection observed in the mirror produced?

What do we call a material light travels through

What do physicists call the surface between two mediums?

What can light do when it reaches a boundary?

Describe the surface of a lens

Which lens will refract light the most?

Which lens will refract light the least?

Images produced by lenses are

Tick which image best shows how light is emitted from a bulb.

The student's experiment is reproducible. What does an experiment being “reproducible” mean?

Draw the light ray as it passes through the glass block using the straight line tool.

Describe what happens to the light ray as it passes from the air into the glass block.

A student looking into the beaker can only see the silver coin. When the beaker of water is filled with water they can see the gold (second) coin as well. Explain why the student can only see the gold coin when there is water in the beaker.

Draw two rays of light from point a on the bear that pass through the converging lens and light up point b on the screen. i) one that passes through the point on the top of the lens ii) one ray that passes through the point on the bottom of the lens

What happens to light as it passes the surface of the lens?

What does a converging lens do to the light reaching it from one point on an object?

Which sentence best describes how light radiates out from a source

What is a light ray?

What does light transfer

Describe the image formed from a pin hole camera?

Which option describes the meaning of "inverted"

What answer is a model of how light transfers information

Where does a reflection appear?

Where is the reflection observed in the mirror produced?

What do we call a material light travels through

What do physicists call the surface between two mediums?

What can light do when it reaches a boundary?

Describe the surface of a lens

Which lens will refract light the most?

Which lens will refract light the least?

Images produced by lenses are

Tick which image best shows how light is emitted from a bulb.

Draw the rays of light from points A, B and C on the bear lamp that will reach the screen on the pin hole camera. (Use the straight line tool)

Describe the image of the bear produced by the pin hole camera.

Complete the table showing the results you would expect from this experiment

Which result from the table is an anomaly?

The student's experiment is reproducible. What does an experiment being “reproducible” mean?

Draw the light ray as it passes through the glass block using the straight line tool.

Describe what happens to the light ray as it passes from the air into the glass block.

A student looking into the beaker can only see the silver coin. When the beaker of water is filled with water they can see the gold (second) coin as well. Explain why the student can only see the gold coin when there is water in the beaker.

Draw two rays of light from point a on the bear that pass through the converging lens and light up point b on the screen. i) one that passes through the point on the top of the lens ii) one ray that passes through the point on the bottom of the lens

What happens to light as it passes the surface of the lens?

What does a converging lens do to the light reaching it from one point on an object?

Why do lenses produce a brighter image then pin hole cameras?

Draw the rays of light from points A, B and C on the bear lamp that will reach the screen on the pin hole camera. (Use the straight line tool)

Describe the image of the bear produced by the pin hole camera.

Complete the table showing the results you would expect from this experiment

Which result from the table is an anomaly?

Why do lenses produce a brighter image then pin hole cameras?