list the apparatus used to find focal length of a concave mirror
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To determine focal length of a given concave mirror
To obtain a clear, sharp image the screen should be adjusted. Using a metre scale the distance between the concave mirror and screen can be determined. The distance is the same as the focal length of the given concave mirror.
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To determine focal length of a given concave mirror
A concave mirror.
A measuring scale.
A screen holder.
A mirror holder.
A mirror stand.
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