lens of focal length 20 cm d convex lens of focal length 20

Last updated: 6/14/2023

lens of focal length 20 cm d convex lens of focal length 20 m 40 Rays from Sun converge at a point 20 cm in front of a concave mirror Where should an objec placed so that size of its real image be twice the size of the object a 20 cm in front of the mirror b 10 cm in front of the mirror d 40 cm in front of the mirror c 30 cm in front of the mirror 41 Which of the following statements about the autotrophs is incorrect a They store carbohydrates in the form of starch b Ti