Temmen naaimachine Afvoer focal length of concave lens is positive or negative Overzicht Belastingen Bevoorrecht
FOCAL LENGTH OF LENSES
SOLVED: For the Concave Mirror and Convex Lens, identify if the distance to the image (d;). the distance to the object (d). and the height of the image (hj) are positive or
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Giving reasons, state the 'signs' (positive or negative) which can be given to the following:(a) Object distance $(u)$ for a concave mirror or convex mirror.(b) Image distance $(v)$ for a concave mirror.(c)
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Why the focal length of convex lens is always positive?
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The focal length of a concave lens is 10 cm . what should be the object distance in order that the image is 1/5^th of size of the object. where is the