An object of height 1.5cm is placed at a distance of 45cm from the convex lens, the real image is formed at a distance of 30cm from the lens Find the height of the image formed.
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Answer:
height = 1.5 cm
u = 45 cm
v = 30 cm
Linear Magnification = -(v/u)
= - (30/-45)
= 2/3
Image height = 2/3 * 15/10 cm
= 1 cm
I hope this helps.
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