Question

How should an object be held from a concave mirror of focal length 40cm so as to get an image magnificent three times?

Answer 1

1)if u need a virtual image from concave mirror

the object should be placed between the focus and the pole

2)if u want a real image

place the object on the focus

Answer 2

Answer:

see the picture the object should be held 53.33cm from the mirror

Explanation:

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