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ollegr [7]
3 years ago
15

Can a solid be easily changed into volume?

Physics
1 answer:
cupoosta [38]3 years ago
5 0
Grhhennhshsbvsgegeehehebevvevejskskjejejejehruurjrr

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A converging lens of focal length 20 cm is placed in contact with a diverging lens of focal length 30 cm. The focal length of th
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Answer:

The focal lenth (F) =+10.0cm

Explanation:

The formular for combined focal length (F) is given as;

1/f = 1/f_{1} + 1/f_{2}

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Plugging the values into the formuar above,

1/f = 1/20 + 1/(-30)

1/f = 0.05 - 0.033[tex]1/f = -0.017f = [tex]1/ -0.017

f = 58.82cm

i.e. the combination behaves as a converging lens (because of the postive sign) of focal length 58.82cm .

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If you act without reason or sound judgement, people will describe you as __________.
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irrational

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Hope this answers the question. Have a nice day.
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