Question

The focal length of a concave mirror is 15cm. If the object distance is 60cm, then find the image distance?​

Answer 1

Answer:

f=-15

u=-60

1/v=1/f-1/u

1/v=-1/15-(-1/60)

1/v=-4+1/60

1/v=-3/60

v=-20cm. ( reciprocal)

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