[" Q.10.A lens of focal length "20cm" is used to "],[" produce a ten times magnified image of a "],[" film slide on a screen.How far must the "],[" slide be placed from the lens? "]

A convex lens of focal lengths 30 cm produces 5 times magnified real image of an object What is the object distance ?

A convex lens of focal length 30 cm produces 5 times magnified real image of an object. What is the object distance?

A convex lens of focal length 30 cm produces 5 times magnified real image of an object. What is the object distance?

A projector lens has a focal length of 10 cm. It produces a real image of a 2cm xx 2 cm slide on a screen 5 metre from the lens. What is the size of the picture on the screen ?

A concave lens of focal length 15 cm forms an image 10 cm from the lens. How far is the object placed from the lens ?

A converging lens of focal length 5 cm is placed at a distance of 20 cm from a screen. How far from the lens should an object be placed so as to form its real image on the screen?

A convex lens of focal length 20 cm is placed at a distance of 24 cm from the screen how far from the lens should an object be placed so as to from a real image on the screen. Also find the nature and magnification of the image produced.

A concave lens of focal length 15cm forms an image 10 cm from the lens. How far is the object placed from the lens? Draw ray diagram.