Question

In which of the following cases we get a virtual, erect and magnified image?

When the magnification produced by a spherical lens is + 2.

When the magnification produced by a spherical lens is + 0.75.

When the height of the image is negative and height of the object is positive in case of a concave mirror.

All the above
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Answer 1

Answer:

When the object of the image is negative and height of the object is positive in case of concave mirror