Optics Worksheet

Questions 1 to 6 are on the Optics Gallery on Floor 3


1. Find Newton's Disc

Fill in the missing colours

What colour does the disc look when it is spinning?



What does this tell you about white light?





2. Go to the screen where you can make coloured shadows.

What colour are the three lights that make the shadows?



Why are these called the primary colours of light?



What colour shadows do you get if you block:

all the colours of light? ____________________
just red light? ____________________
just green light? ____________________

Draw arrows to link the mix of light with the colour it makes.

blue + red         yellow
red + green         cyan (turquoise)
blue + green         magenta (purple)


3. Find the chart that tests for colour blindness.



Fill in the numbers you see in each of the circles.

Do you have normal colour vision?


4. Find the showcase that shows light travelling down a tube.


Draw on the diagram how light moves around corners.

What use is this put to in medicine? (see the skeleton by the entrance)






5. Find the showcase with the curved mirrors in.

Draw how rays of light are reflected off the mirror in the diagram.


What is this shape of mirror called?

_________________________



6. Read the information in the showcases about the light spectrum.
What does a light spectrum look like?



Name two types of light you can't see in the spectrum



How do you know that Infra red light exists?







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