A bar magnet has magnetic moment 15 A m2 and pole strength 100 Am.
Determine its magnetic length and geometric length
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Draw the ray diagram. ... (a) A number of rays parallel to the principal axis after reflection from a concave mirror meet at a point on the principal axis or appear to come from a point after reflection from a convex mirror on the principal axis. This is called principal focus. (b) When the object is placed beyond C.
Explanation:
FOLLOW
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