mizzpanetha
Answered

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This object is located 13.0 cm to the left of the lens and the image forms at 20.8 cm to the right of the lens.

What is the focal length of the lens?
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Sagot :

Answer:

0.125 cm

Explanation:

1/f = 1/d¡ + 1/d。

Find the focal point

(13.0^-1 + 20.8^-1) = 0.125 m

Focal point = 0.125 m  

The object placed in front of mirror forms an image on the opposite side of the mirror. The focal length of the lens is 0.125 m.

What is focal length?

Focal length is the distance between the lens and the image sensor when the object is in focus.

The focal length can be find out by using lens maker formula.

1/f = 1/d¡ + 1/d。

1 / 13.0 + 1 / 20.8

f = 0.125 m

Thus, the focal length of the lens is 0.125 m.

Learn more about focal length.

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