Question

An object placed 30cm from concave mirror. The focal length of the concave mirror is 12 cm. Find the position of the image formed.​

Answer 1

Answer:

Explanation:

Here,

u= -30 cm

f= -20 cm

By using mirror formula,

1/v + 1/u = 1/f

1/v + 1/-30 = 1/-20

v= -60 cm

negative sign indicates that image is in front of the mirror

Therefore,

The distance between image and object = 60–30 = 30 cm

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Answer 2

Answer:

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