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Which one of the following materials cannot be used to make a lens

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asked Jan 19, 2018 in Physics by Kundan kumar (49,132 points) ● 34 ● 435 ● 1364
edited Jan 25, 2018 by faiz

Which one of the following materials cannot be used to make a lens?

(a) water (b) glass (c) plastic (d) clay

1 Answer

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answered Jan 19, 2018 by Vikash Kumar (144,729 points) ● 8 ● 11 ● 26
selected Jan 19, 2018 by Kundan kumar
 
Best answer

Lens is made of a transparent material;
Clay is not transparent [choice (d) is correct].

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