A convex lens has a power of 4 dioptres.if the image distance is of the object distance and image is virtual. find the object distance
(And. X = 16.66cm)
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17. A convex lens has a power of 4 dioptres. If the
image distance is three times the object
distance and the image is virtual. Find the
object distance (Ans. x = 16.66 cm).......please slove this for me ...its urgent
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