An object 3.0cm high is placed 60.0cm from a converging l...
An object 3.0cm high is placed 60.0cm from a converging lens whose focal length is 20.0cm. Calculate the size of the image formed
0.5cm
1.5cm
2.0cm
6.0cm
Correct answer is B
F = UVU+V
20 = 60×V60+V
V = 30cm
similarly, UV = height of objectheight of image
6030 = 3h
h = 1.5cm
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