Question

The magnification produced by a spherical lens is + 0.75 what is the nature and of image and lens

Answer 1

Answer:

The value of magnification given here is 0.75(which is less than 1), so, the image is smaller than the object or diminshed. A virtual, erect and diminished image can be formed only by a concave lens, so the nature of lens is concave

Answer 2

Answer:

the image is smaller than the object or diminshed. A virtual, erect and diminished image can be formed only by a concave lens, so the nature of lens is concave