SaraNextGen.Com

A convex lens is placed between object and a screen. The size of object is 3 cm and an image of height 9 cm is obtained on the screen. When the lens is displaced to a new position, what will be the size of image on the screen?

a)

2 cm

b)

6 cm

c)

4 cm

d)

1 cm



Question ID - 152376 | SaraNextGen Top Answer

A convex lens is placed between object and a screen. The size of object is 3 cm and an image of height 9 cm is obtained on the screen. When the lens is displaced to a new position, what will be the size of image on the screen?

a)

2 cm

b)

6 cm

c)

4 cm

d)

1 cm

1 Answer
127 votes
Answer Key / Explanation : (d) -

(d)

Form displacement method size of object,

Here,  = 3 cm,  = 9 cm

 3 =

Or  = 1 cm

127 votes


127