Question

an object is placed at a distance of 15 cm front of a concave mirror of focal length 10 cm what will be nature of the image

Answer 1

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Secondary SchoolPhysics 5+3 pts

When an object is placed at a distance of 15 cm from a concave mirror, image is formed at 10 cm in front of the mirror. Calculate focal length and nature of image.

Report by Prashansank 22.04.2018

Answers

anu542

Anu542 Expert

u = -15

v = 10

Now,

1/f = 1/v + 1/u

1/f = 1/10 - 1/15

1/f = (3 - 2)/30

1/f = 1/30

therefore,

f = 30cm