Question

Identify the device used as a spherical mirror or lens in following

cases, when the image formed is virtual and erect in each case.

(a) Object is placed between device and its focus, image formed is

enlarged and behind it.

(b) Object is placed between the focus and device, image formed

is enlarged and on the same side as that of the object.

(c) Object is placed between infinity and device, image formed is

diminished and between focus and optical centre on the same

side as that of the object.

(d) Object is placed between infinity and device, image formed is

diminished and between pole and focus, behind it.​

Answer 1

Answer:

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Explanation:

a) concave mirror

b) convex lens

c) concave lens

d) convex mirror