A student focuses the image of a candle flame placed at

Last updated: 6/30/2023

A student focuses the image of a candle flame placed at about 2 m from a convex lens of focal length 10 cm on a screen After that he moves gradually the flame towards the lens and each time focuses its image on the screen A B C In which direction does he move the lens to focus the flame on the screen What happens to the size of the image of the flame formed on the screen What difference is seen in the intensity brightness of the image of the flame on the screen D What is seen on the screen when the flame is very close at about 5 cm to the lens