
#1
Apr3013, 08:19 PM

P: 1

Does anyone know how to solve this problem? I tried using the spherical interface formula (n1/p)+(n2/q)=((n2n2)/R) and I get q=15cm which I cannot seem to relate to the answer provided (23cm). Anyone know the correct way to approach this problem?
Thanks. 



#2
Apr3013, 08:56 PM

PF Gold
P: 341

You probably need to account for the flat end of the rod as well.




#3
Apr3013, 09:30 PM

Emeritus
Sci Advisor
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PF Gold
P: 7,418




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