2. Solved Papers
  3. BVP Medical

BVP Medical BVP Medical Solved Paper-2005

  • question_answer
    A convex lens makes a real image of 4 cm long on a screen. When the lens is shifted to a new position without disturbing the object or the screen, we get a real image on the screen, which is 16 cm long. The length of the object is :

    A) 1/4 cm                 

    B)  8 cm

    C) 20 cm                                   

    D)  2 cm

    Correct Answer: B

    Solution :

                    From displacement method, the length of object is given by \[O=\sqrt{{{I}_{1}}{{I}_{2}}}=\sqrt{4\times 16}=\sqrt{64}=8cm\]


You need to login to perform this action.
You will be redirected in 3 sec spinner