Revision: Lenses

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04 Lenses - Revision Quiz

Test your understanding of Lenses here:

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1) The diagram below shows object O, the image I formed from the light passing through lens L.

Which distance is the object distance?

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2) A lens is used to form an image of an object as shown below.

What is the likely application this lens is being used for?

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3) The following diagram shows an object O, placed next to a lens as shown below:

At which position is the image likely to be found?

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4) When an object is placed 11 cm from the optical centre of a lens, the image formed is real, inverted and enlarged but when the object is 9 cm from the optical centre of the lens, the image formed is virtual, upright and enlarged. What is a possible focal length of the lens?

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5) A light ray travels into a converging lens as shown. Which is the emergent ray from the converging lens?

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