An object placed 0.1 m in front of a concave mirror is found to give an erect image 0.3m behind the mirror. What is its focal length?
Answers
Answered by
1
The answer is 0.15 meters
Explanation:
You just have to apply the foemula
1/v+1/u=1/f
Here the value of u(distance of image) =-0.1m
By applying the formula you will get 0.15 m
Answered by
0
Answer:
f=-0.15m
Explanation:
1/f=1/u+1/u
f=u*v/u+v
f=-0.1*0.3/-0.1+0.3
f=-0.03/0.2
f=-0.15 m
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