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yulyashka [42]
3 years ago
13

An object is located 8 cm away from a convex lens. The image is 24 cm away from the lens on the other side. What is the focal le

ngth of the lens?
A. 4 cm
B. 6 cm
C. 16 cm
D. 32 cm
Biology
1 answer:
Katen [24]3 years ago
3 0

Answer: B. 6 cm

Explanation:

First we take down the information given to us,

distance from the lens to the image (v) = 24cm

distance from the original object to the lens (u) = 8cm

So using the formula

1/u + 1/v = 1/f

Where f is the focal length

So we just input our information

1/8 + 1/24 = 1/f

Therefore;

3/24 + 1/24 = 1/f

4/24 = 1/f

1/6 = 1/f

f = 6

Our focal length = 6cm

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