M 1 and M 2 are two concave mirrors of the same focal length 10 cm. AB & CD are their principal axis respectively. A point object O is kept on the line AB at distance 15 cm from M 1 . The distance between the mirrors is 20 cm. considering two successive reflections first on M 1 and then on M 2 . The distance of final image from the line AB is -
Text Solution
Verified by ExpertsThe correct answer is:
B
Ist reflection on M 1
⇒ 
⇒ 
v = – 30 cm
2 nd Reflection on M 2 , 
⇒ 
v = – 5, m = – 
, m = 
Distance = 
× 3 = 1.5 cm
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