find the distance of image,when an object is placed on the central axis at 10cm distance infront of a concave mirror whose radius of curvature is 8cm?
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Answer:
Radius of curvature = 8
Focal length f = R/2
= 8/2
= 4 cm
Object distance (u) = 10 cm
Image distance (v) = ?
We know that mirror formula
1/f=1/u+1/v
1/4=1/10+1/v
1/c=1/4-1/10=5-2/20=3/20=v=20/3 cm.
Explanation:
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