Guest

An object is placed infront of a thin convex lens of focal length 30 cm and a plane mirror is placed 15 cm behind d lens. If d final image of d obj coincides wid d obj, d dis of obj frm the lens is?

An object is placed infront of a thin convex lens of focal length 30 cm and a plane mirror is placed 15 cm behind d lens. If d final image of d obj coincides wid d obj, d dis of obj frm the lens is?

Grade:12

2 Answers

Saurabh Singh
askIITians Faculty 49 Points
8 years ago
the object is kept 60cm away from the lens.
Thanks and regards.
Saurabh Singh
askIITians Faculty
B.Tech.
IIT Kanpur
pooja naik
38 Points
8 years ago
@Saurabh sir, the ans is 30cm away from the lens. BUT i didnot understand how. So, asked.....

Think You Can Provide A Better Answer ?

Provide a better Answer & Earn Cool Goodies See our forum point policy

ASK QUESTION

Get your questions answered by the expert for free