Question

an object is kept at the distance of 40 cm from a diverging lens of focal length 20 CM at what distance the image is formed from the lens find the magnification of the image​

Answer 1

Explanation:

sin 13° cos 17° + sin 77° cos 73° = ..

(a) 1/2

(b) 73/

(c) 1/2

(d) -sin 4°