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N plane moirors are arranged to one another each moving with a speed v . The linear velocity of the Nth image of a point object placed in front of the first mirror a)Nv b)Nv^2 c)Nv^3 d)2Nv

N plane moirors are arranged to one another each moving with a speed v . The linear velocity of the Nth image of a point object placed in front of the first mirror


a)Nv b)Nv^2 c)Nv^3 d)2Nv

Grade:11

3 Answers

Rahul Kumar
131 Points
9 years ago

I think b is the right option

Thanks

samlesh choudhury
33 Points
9 years ago

no d is the answer how is that answer pls reply

Chetan Mandayam Nayakar
312 Points
9 years ago

From dimensional analysis, it has to be either a or b

the object and image move in opposite directions w.r.t. the mirror, therefore if there is one mirror the relative velocity is double the velocity w.r.t. the mirror. Using the same argument repeatedly the answer should be (d).

It is important to note that the problem has not been clearly specified.

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