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Question
Draw a ray diagram to show the formation of the image, when the object is placed between optical centre and principal focus of a convex lens.
State the signs and values of magnifications in the above mentioned case.
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Solution
When an object is placed between the optical center and principal focus of a convex lens:
Since the image formed is virtual and erect, the sign of magnification will be positive. Moreover, the image formed is magnified; therefore, the absolute value of magnification will be greater than one.
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