when the object is kept at 50cm in front of a concave mirror then its real image is got at same distance from the mirror find the focal length
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3
Answer:
Given,
Focal length, f=50cm
Magnification, m=2
m=uv=2
v=2u
From mirror formula,
f1=v1+u1
f1=2u1+u1
u=23f=23×50=75 cm
Object Is placed at 75cm from the mirror.
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0
Answer:
75
Explanation:
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