Optics - It may be toooo easy for u all........

11

Anirudh Narayanan ·2009-01-25 15:44:27

tani₁=Î¼=1/sini_c

Hope it is correct [1]

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11

Subash ·2009-01-25 18:54:25

if the ray comes from denser to rarer the ray should bend away from the normal

r₁+r₂=90

r₁=i₁

u₂/u₁=sini₁/sinr₂=tani₁

u₂/u₁=sini_c=tan₁

hope this is correct

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24

eureka123 ·2009-01-25 22:04:39

thank u

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11

Anirudh Narayanan ·2009-01-25 22:05:45

eureka, which one is correct? tell us that and then tell thank u[3]

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3

msp ·2009-01-26 04:11:47

both of u were rite ani

Î¼₂/Î¼₁=Î¼

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11

Anirudh Narayanan ·2009-01-26 04:16:07

how machan?

I'm telling that 1/sini_c=tani₁

And Subash is telling sini_c=tani₁

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11

Subash ·2009-01-26 04:18:03

Anirudh at this specify one thing none of the media is air

u in ur soln is the refractive index of which medium i think that will make a difference

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3

msp ·2009-01-26 04:31:21

The denser medium have the refractive index Î¼₁ and the rarer medium have the refractive index be Î¼₂

at the crtical angle r₂=90⁰ and

from snell's law

Î¼₁sin i_c=Î¼₂sin r₂

sin i_c=Î¼₁/Î¼₂

1/Î¼=sini_c Î¼2/Î¼1=Î¼

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24

eureka123 ·2009-01-26 09:59:11

subhash was correct dear......

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Anirudh Narayanan ·2009-01-26 16:43:21

yeah, sorry. it was 1/Î¼. my mistake. [1]

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