A 2.0 cm tall object is placed 40 cm from a diverging lens of focal length 15 cm. Find the position and size of the image.
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Answer:
Position of image is 120/11 cm away from lens towards object.
Size if image = 3/11*2 = 6/11 cm
Explanation:
For lens,
m=f/f+u = - 15/-15+(-40) = 3/11
Size if image = 3/11*2 = 6/11 cm
m=v/u=v/(-40)=3/11 => v = - 120/11 cm
Position of image is 120/11 cm away from lens towards object.
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