Tuesday, 5 November 2013

Making colour

Red, blue and green are known as the primary colours as they mix together to make other colours.
Cyan- blue + green
Magenta - red + blue 
Yellow - red + green.

Q1 identify the two parts of the eye responsible for focusing light. 
Lens and the cornea 
Q2 identify whether a short-sighted person has trouble getting a sharp image of distant or near objects.
They have trouble seeing images close up.
Q3 When the eye changes focus from a distant to a near object, explain whether the lens of the eye becomes thicker or thinner. Use a diagram to support your answer.
Q4 Explain how the lens changes shape to accommodate objects of different distances.
The aqueous tumor forms different shapes as it spreads to allow more light in.
Q5
Blue , red and green
Q6Explain how the eye regulates how much light enters it.
The pupil opens and close allowing less light or more light to enter.
Q7Describe how you can demonstrate that light is actually made up of a mixture of colours.

 

 





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