Question

Find the ratio of heights of images :

(1) 2

(2) 4

(3) 6

(4) 8

Answer 1

Correct option is : (1) 2

\(\left|\frac{h_i}{h_o}\right| = \left|-\frac{v}{u}\right| \Rightarrow h_i \propto v\)

\(\frac{h_1}{h_2} = \frac{v_1}{v_2} = \frac{9}{9} \times 2 = 2\)