Question

please answer fast it's urgent Q5

Answer 1

given that,
u= - 30

f= - 15

1/f = 1/v - 1/u

1/- 15 = 1/v - 1/ -30

1/-15 = 1/v + 1/30

1/v = 1/ -15 - 1/30

1/ v = -2 -1 / 30

1/v = -3 / 30

1/v = -1 / 10

v = - 10
so therefore position of image is 10 cm

m = v/u

m= -10 / -30

m= 1/3
magnification is 1/3