Question

At what position object is placed in case of concave mirror to get virtual image. Is this image
magnified or diminished?
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Answer 1

Answer:

Image formed by concave mirror is point sized when the object is at infinity. Hence, it is highly diminished. At other positions, magnification is non-zero infinite value.

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Answer 2

Answer:

In a concave mirror , The object is kept between P and F so as to get virtual image.... The image is magnified.