The magnification produced by a concave lens is always__?

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Greater than 1

Less than 1

Equals to zero

Less than zero

answer is B.

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Detailed Solution

The magnification produced by a concave lens is always less than 1.
A concave lens is that which diverges a straight beam of light from a source to a single point.
The magnification of the image for the spherical lenses is

M = \frac{h_{i}}{h_{o}} = \frac{v}{u}

Here, M = magnification of the image, hi = height of the image and ho = height of the object.
The magnification produced by a concave lens is always smaller than the object. Therefore, the magnification produced by the concave lens is always less than

1

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