P7 Lenses Quiz

A quiz on lenses to revise P7

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  • Created by: Emma
  • Created on: 29-05-12 13:41
Converging lenses bring light rays together, true or false?
True
1 of 5
What's the focal length of a lens?
The distance between the middle of the lens and its focal point
2 of 5
How many lenses does a simple refracting telescope use?
2
3 of 5
What type of mirror do most astronomical telescopes use?
Concave
4 of 5
The more powerful the lens, the shorter the focal length, true or false?
True
5 of 5

Other cards in this set

Card 2

Front

What's the focal length of a lens?

Back

The distance between the middle of the lens and its focal point

Card 3

Front

How many lenses does a simple refracting telescope use?

Back

Preview of the front of card 3

Card 4

Front

What type of mirror do most astronomical telescopes use?

Back

Preview of the front of card 4

Card 5

Front

The more powerful the lens, the shorter the focal length, true or false?

Back

Preview of the front of card 5

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