Camera question

  1. Usha wants to take a picture of her own image in a plane mirror. At what distance should the camera lens be focussed if it is positioned 2.3 m in front of the mirror?

    is it 2.3*2 ?... 4.6m ??
  2. jcsd
  3. rl.bhat

    rl.bhat 4,435
    Homework Helper

    In mirror the object distance = image distance. Find the distance between Usha and her image and focus the camera.
  4. so is it 4.6m?, since distance in the mirror is 2.3 m and image distance is also 2.3m
  5. mgb_phys

    mgb_phys 8,809
    Science Advisor
    Homework Helper

  6. thankyou sir
Know someone interested in this topic? Share this thead via email, Google+, Twitter, or Facebook

Have something to add?