Question

A student wants to draw diagram for formation of a real image at 2F of a convex lens. For this he
must take the object placed at
(a) infinity
(b) focus
(c) between optical centre and focus
(d) 2 F

Answer 1

Answer:

option d

mark it as brainlest

Answer 2

Answer:

student wants to draw diagram for formation of a real image at 2F of a convex lens. For this he

must take the object placed at

Explanation:

answer of this is

d) 2 F