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galina1969 [7]
3 years ago
10

A concave mirror produces a real image 1cm tall of an object 2.5mm tall placed 5cm from the mirror. Find the position of the ima

ge and the focal length of the mirror.​
Physics
1 answer:
Cloud [144]3 years ago
4 0

Answer:

the focal length is 4cm

Explanation:

use the formula 1+1/m = f

it is obtained from the mirror formula

m is the magnification and is the ratio of the image height to the object height

however they should have the same unit . that means you would have to do a little conversion from cm to mm or vice versa .

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Question 20
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Answer:

The image distance is 17.56 cm

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Height of light bulb is 3 cm.

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