More cards in this set

Card 6

Front

What is the line through the centre of the lens and at right angles to it called?

Back

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Card 7

Front

Why do ray diagra s use three construction rays from a single point on the object?

Back

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Card 8

Front

What happens to a ray parallel to the principal axis?

Back

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Card 9

Front

What happens to a ray through the centre of the lens?

Back

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Card 10

Front

What happens to a ray through the principal focus?

Back

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Card 11

Front

What are construction rays?

Back

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Card 12

Front

Is the image formed in a camera real or virtual?

Back

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Card 13

Front

**LOOK UP AND PRACTISE DRAWING RAY DIAGRAMS TO MAKE SURE THAT YOU HAVE THE CORRET POSITION**

Back

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