Question

A student focused the image of the candle flame on a white screen using a convex lens .He noted down the positions of the candle flame , screen and the lens as given below position of candle flame = 12.6 cm position of the lens= 51.8 cm position of the screen = 91cm Q 1 find the focal length of the convex lens. Q 2 Find the position of the image of the candle flame if it is shifted towards the lens at a position of 32.2 cm Q3 State the nature of the image formned if the candle flame is further shifetd towards the lens
Q4 draw a ray diagram to show the formation of the image in case c as said above.

Answer 1

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