a 4 cm tall object is placed in front of convex lens of focal length 16cm.the object distance is 10cm.find the position,size and nature of the image formed,using the lens formula.
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Answer:
h=4cm
f=16cm
u=-10cm
1/v=1/f-1/u
1/16+1/10
10/160+16+160
26/160
v=80/13
v/u=h'/h
80/13×1/-10=h'/4
h'=-32/13
h'=-2.46
the size of the image is 2.46cm
the image is real and inverted
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