Question

u have a convex lens of 10 cm focal lens . you place a candle flame on its principal axis at a distance of 45 cm from the lens on its one side and place a white screen in the other side . write two characteristics of the image formed on the image formed on the screen in this position of the candle . if u now shift the candle towards the lens so that its distance from the lens becomes 15 cm , then state the changes , if any ,in these two characteristics of the image formed on the screen

Answer 1

The image is formed at focus.
Image is real.
Inverted.
Size is smaller than the object.

When object is placed at 15cm
1. Image is larger than the object.
2. Image is formed beyond focus2.
3. Image formed is real.
4. Inverted.