2AT light revision

• Natuurkunde
• Middelbare school
• vwo
• Leerjaar 2

Revision test

Chapter 6

LIGHT

A light source is something which

1. gives out light
2. reflects light
3. absorbs light
4. blocks light

A smooth, shiny surface

1. gives out light
2. reflects light
3. absorbs light
4. blocks light

A black object

1. gives out light
2. reflects light
3. absorbs light
4. blocks light

What is happening to the light in this picture?

1. mirror reflection
2. diffuse reflection
3. dispersal (splitting)
4. absorption

What is happening to the light in this picture?

1. mirror reflection
2. diffuse reflection
3. dispersal (splitting)
4. absorption

What is happening to the light in this picture?

1. mirror reflection
2. diffuse reflection
3. dispersal (splitting)
4. absorption

A red hat in blue light looks...

1. red
2. blue
3. green
4. black

A blue ball in blue light looks...

1. red
2. blue
3. green
4. black

A white shirt in green light looks...

1. red
2. blue
3. green
4. black

The image (reflection) in a mirror is..

1. real and in front of the mirror
2. real and behind the mirror
3. not real and in front of the mirror
4. not real and behind the mirror

What is true about infra red radiation.

1. you can only see it
2. you can only feel it
3. you can see it and feel it
4. you cannot see it or feel it

What is true about ultra violet radiation.

1. you can only see it
2. you can only feel it
3. you can see it and feel it
4. you cannot see it or feel it

Which is true?

1. A is the umbra, B is the penumbra
2. A is the penumbra, B is the umbra

When the sun is shining, at midday your shadow is .............. and later in the in the day your shadow gets..............

1. long, shorter
2. long, longer
3. short, shorter
4. short, longer

The correct colour order for the spectrum is........

1. ROGYBIV
2. ROYBGIV
3. ROYGBIV
4. ROGBYIV

What 3 colours of light does your phone uses for pixels?

1. red, blue, green
2. red, yellow, blue
3. red, yellow, green
4. red, cyan, green

Which colour of light would you mix with red to produce magenta?

1. yellow
2. blue
3. cyan
4. green

I knew most of the answers,

1. Yes, I am confident for the test
2. No, I need to revise a lot more
3. so-so I need a bit more work

Good luck in the test.

                                                      Bring your set-square,

                                                       pen and pencil.