WorksheetsYooo
Total questions: 11
Worksheet time: 3mins
What kind of light source is the sun
An environmental light source
A natural light source
A star light source
A spectral light source
If the light sources are in the left and right upper angles, then draw the penumbra's and the umbra
What happens when you put two prisms in front of the sun.
You will see a spectrum
The sun will be reflected diffusely
You will see the normal sunlight
You will be blinded by light
What 3 colours are subpixels in a tv
Blue, Red, Green
Blue, Red, Yellow, Green
Red, Yellow, Blue
Purple, Orange, Green
How is the darkest shadow called
Penumbra
Kumbra
Umbra
Senumbran
Scattered light is another word for Diffuse light
False
Not completely false
Not completely true
True
What is reflected by the angle of reflection
The Normal ray which makes an angle
The angle of normalise
The angle of indicence
The angle of ivindap
Were do you see your mirror image
Before the mirror
Close to the mirror
Beside the mirror
Behind the mirror
Infrared radiation = the same as heatlamp
True
Not completely true
Not completely false
False
What does the protection factor mean if it is factor 30+
You can sit 30 times longer in the sun
It protects people above 30
You can sit longer than 30 times as usual in the sun
More than 30 mililitres
What kind of light can be more harmful for your skin.
Infrared radiation
UV light
