Question

29. A convex lens has a focal length of
10 cm. At which of the following posi-
tion should an object be placed so that
this convex lens may act as a magnify-
ing a glass?
1) 15 cm
2)7 cm
3) 20 cm
4) 25 cm​

Answer 1

Answer:

Azam khan is the write answer

Answer 2

20 cm position should an object be placed so that this convex lens may act as a magnifying glass