ON PREDICTION | Power 4D

power 4dTwo lenses have power of (i) + 2 d (ii) -4D. What is the nature and focal length of each lens? b. An object is kept at a distance of 100 cm from lens of power -4D. Calculate the image distance.Click here 👆 to get an answer to your question ️ An object is placed at a distance of 10cm from a lens of power 4D.find the position and nature of the image f…