Question

14. An object 5.0 cm in length is placed at a distance of 20 cm in front of a convex
mirror of radius of curvature 30 cm. Find the position of the image, its nature
and size.
-5. An object of size 7.0 cm is placed at 27 cm in front of a concave mirror of foca
length 18 cm. At what distance from the mirror should a screen be placed, so tha
a sharp focussed image can be obtained? Find the size and the nature of the image
6. Find the focal length of a lens of power - 2.0 D. What type of lens is this?
7. A doctor has prescribed a corrective lens of power +1.5 D. Find the focal length
the lens. Is the prescribed lens diverging or converging?
SC​

Answer 1

Answer:

This is ur all answers...