object is placed at the distance of 4cm and radius is 30cm find focal length and image distance in concave mirror
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F=15 (R=2f)
1/v+1/u=1/f
1/v +1/-4=1/-15
1/v=1/-15+1/4
Now u'll get the ans.
1/v+1/u=1/f
1/v +1/-4=1/-15
1/v=1/-15+1/4
Now u'll get the ans.
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