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General Physics

Hot goIITian

Joined:	24 Apr 2008
Post:	163

2 Feb 2009 17:49:35 IST

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411

inpho 09

None

consider 5 identical rt angled isosceles prism of ref ind μ1,μ2,........μ5 resp

theyr arranged touching each other ( imagine 3 of em placed in str line and 2 of em placed btw the gaps by inverting them )

they r in order 1,2,3,4,5

given that in ray from air is at grazing incidence and final out ray also at grazing emergence

now prove

μ1^2 + μ3^2 + μ5^2 = 2 + μ2^2 + μ4^2

this was obj for 1.5 marks !!!!!

i ve given u the correct option to prove
jus giv method as a wrong approach will make proof veeeery big

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Comments (2)

Celestine Preetham

Hot goIITian

Joined: 24 Apr 2008

Posts: 163

2 Feb 2009 17:54:26 IST

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so how did u do it frnds ?

Celestine Preetham

Hot goIITian

Joined: 24 Apr 2008

Posts: 163

2 Feb 2009 17:56:43 IST

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u may post q that u found interesting here

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