an object is placed at 25 centimetre in front of a concave mirror having size 7 centimetre of focal length 18 cm at what distance from the mirror should a screen be placed so that sharp focused image can be obtained find the size and nature of the image
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The direction of the conventional current is from positive to the negative termianl of the battery.
Where as the electrons flow from the negative terminal of the battery to the positive terminal of the battery which is exactly opposite to the conventional direction.
Here the conventional current is nothing but from the olden days we are following this direction conventionally as the previous scientists belived that the positive charges moves always, but the positive charges cannot move in the solids.
Explanation:
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