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An object of height 4.0 cm is placed at a distance 24 cm in front of a convex lens of focal length 8 cm.★ Find the position and size of image. |
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Answer» Answer: HEIGHT of object =ho=4cm distance of object = p=24cm Focal lenght =f= 8CM find POSITION of image = q =? size of image = HI= ? formula 1/q= 1/f-1/p 1/q=1/-8-1/24 1/q=-0.125-0.0416 1/q=-0.16666 q=-6.0024cm formula hi/ho=q/p hi=-6.0024/24×4 hi=-1.000400cm |
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