Question

A detective uses a convex lens to examine the crime scene as convex lens can produce magnified and virtual image of an object. For the purpose, what should be the position of the object with respect to the lens?

• A. At the centre of curvature
• B. Between optical centre and focus
• C. Between centre of curvature and focus
• D. Beyond centre of curvature

Answer 1

The correct option is B Between optical centre and focus

While examining the crime scene, the detective needs to see the virtual and magnified image of the objects. Convex lens produces a virtual and magnified image when the object is placed between optical centre and focus.