Question

a)at f 2 convex lens ​

Answer 1

Answer:

Using Lens Formula , (1/f)=(1/v)−(1/u)

put f=f , u=−f/2

we get v=−f

As v is negative , the image is in the same side as of object so image is virtual because we have used a convex lens.

magnification m=(−v/u)=−2 so the image will be double of the object in the size.

Option A is correct.

Answer 2

Answer:

refer to image please mark as brainliest I will be thankful to you