CameraIcon
CameraIcon
SearchIcon
MyQuestionIcon


Question

If object is placed at 60 cm before lens I focal length of lens I is 30 cm and focal length of lens II is 45 cm. find out the image distance formed by lens II from O?


  1. 180 cm

  2. 90 cm

  3. 120 cm

  4. 60 cm


Solution

The correct option is A

180 cm


For lens I, since object is at 2f (i.e. 60 cm) image of lens I is formed at 60 cm from a between lens I & II.

1v1u1f

1(v)160145

v = 180 cm

flag
 Suggest corrections
thumbs-up
 
0 Upvotes


Similar questions
View More


People also searched for
View More



footer-image