Answers

2016-01-16T23:33:44+05:30
The image formed from the lens is 30 cm away and it is real and inverted
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The Brainliest Answer!
2016-01-16T23:34:16+05:30
f= 20
u= -60 (object is always placed at left)
APPLYING LENS FORMULA
1/f=1/v-1/u
Therefore 1/f+1/u=1/v
1/20 + 1/-60 =1/v
 (-60)+20/-60*20 (lcm)
-40/-1200 =1/v
v =1200/40
v = 30cm
m = v/u
m = 30/-60
m = -0.5

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