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Question

Two concave mirrors facing each others are placed at a separation of 20 cm with their principal axis separated by 3 cm. Distance of the image from the axis of M1 and M2 respectively is (Take paraxial rays approximation)
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A
1.5 cm
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B
2.5 cm
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C
3.5 cm
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D
4.5 cm
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Solution

The correct option is D 1.5 cm
For M11v+115=110( mirror formula )1v=115110v=30cm For m21v+110=110
v=5cmm=vu=(510)=12hih0=12hφ=32=1.5 cm

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