Question

Draw a ray diagram of image formation by a concave mirror when the object is placed at its centre of curvature.A concave lens has focal Lenght of 15cm.At what distance should the object from the lens be placed so that it forms an image at 10 cm from the lens? Also find the magnification produced by the lens.​

Answer 1

Explanation:

only this I can say but not second

Answer 2

Answer:

hii, তুমি অসমৰ কোন জিলাৰ?

Explanation:

I am Tinku from LAKHIMPUR DISTRICT.

please follow me....