Question

When an object is placed at a distance of 50 cm from a concave mirror images from at 10 cm in front of the mirror calculate the focal length

Answer 1

Answer:

8.33 cm

Explanation:

1 / f = (1 / v) + (1 / u)

=> 1 / f = (1 / 10) + (1 / 50)

=> 1 / f = (5 + 1)/50

=> f = 50/6 = 8.33 cm

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