Question

The magnification produced by a certain lens is –1. State
i) the nature of the lens
ii) position of object
iii) position of image
iv) size of image if object is 5cm tall.
Draw a ray diagram for the situation

Answer 1

Answer:

1) convex lense because only convex lens can form real image

2) between F1 and infinity

3) in 4th quadrant and between F2 and infinity

4) -5 cm

Explanation:

magnification = height of image / height of object

-1 = height of image / 5

-5 cm = height of image