When an object is placed 15 cm from a lens, a virtual image isformed. Which one

Question

When an object is placed 15 cm from a lens, a virtual image isformed. Which one of the following conclusions isincorrect?

a. If the image is upright the lens mustbe a diverging lens.
b. If the lens is a diverging lens, theimage distance must be less than 15 cm.
c. If the image is reduced, the lensmust be a diverging lens.
d. If the lens is a converging lens, thefocal length must be greater than 15 cm.
e. The lens may be a convex or concave. When an object is placed 15 cm from a lens, a virtual image isformed. Which one of the following conclusions isincorrect? If the image is upright the lens mustbe a diverging lens. If the lens is a diverging lens, theimage distance must be less than 15 cm. If the image is reduced, the lensmust be a diverging lens. If the lens is a converging lens, thefocal length must be greater than 15 cm. The lens may be a convex or concave.

Explanation / Answer

Given :           anobject is placed 15 cm from a lens, a virtual image isformed. In the follwing options , incorrect one is :                         c. If the imageis reduced, the lens must be a diverging lens. Hope this helps u!

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