Question

35. A student focused the image of a candle flame on a white screen using a convex lens he noted
down the position of the candle screen and the the lens as under
position of candle = 12.0 Cm
position of convex lens = 50 cm
position of the screen = 88 cm
What is the focal length of the convex lens ?
Where will the image be formed if he shift the candle towards the lens at a position of 31 cm?
What will be the nature of the image formed if he further shift the candle towards the lens
Draw a ray diagram to show the formation of the image in case (III) as said above.
i.
iv.draw a ray daigram to show the formation of the image case (|||) ​

Answer 1

Answer:

7AM and me and I will have a look on python and me are a bit too

Answer 2

Answer:

The candle lies at the focus of convex lens. The image will be formed at infinity. (iii) When he further shifts the candle towards the lens, the candle lies between optical centre of the lens and its focus. Therefore, the image formed is virtual, erect and magnified.