Optics - my answers are looking strange.....what are urs???

33

Abhishek Priyam ·2009-04-02 11:44:50

wahi to... s1o and s2o are equal so whats the matter of refractive index there

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vector ·2009-04-02 12:26:38

for point p s2p=âˆšD²+d²
s1p=D
sub
âˆšD²+d²-D
Dâˆš1+d²/D²-D

as d<<<<D
=D(1+d²/2D²)-D
hence d ans[1]

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24

eureka123 ·2009-04-02 12:19:30

mera ans abhi bhi match nahin kar raha,,,,,,,,koi plz soln post karega.....

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24

eureka123 ·2009-04-02 11:57:13

ok..............iska matlab main aise hi do dino se dimag kharaab kar raha thaa...........[3][3]

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1

vector ·2009-04-02 11:56:02

haaaaaaaaaaaaaaaaan

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24

eureka123 ·2009-04-02 11:55:15

so the ans i have given is for point P??????

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33

Abhishek Priyam ·2009-04-02 11:52:38

Eureka mai kah raha tha ki for O it doesnot matter what is refractive index between slit and screen

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vector ·2009-04-02 11:51:18

it cud be a misprint

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33

Abhishek Priyam ·2009-04-02 11:51:01

i also feel its for point P

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vector ·2009-04-02 11:50:14

i m absolutely right i m damn sure . maine abhi point p ke liye nikala same ans aa raha hai

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24

eureka123 ·2009-04-02 11:49:43

question mein mentioned to hai..........ki point O par phase diff nikalna hai

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24

eureka123 ·2009-04-02 11:49:06

NO point O ke liye,,,,

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vector ·2009-04-02 11:47:21

eureka jo ans tumne diye hai vo point p ke liye hain

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24

eureka123 ·2009-04-02 11:46:16

@ richa....ans in post11 are books answer.....i am not getting those d²/2D terms.....

@ abhishek.i cant get ur point

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vector ·2009-04-02 11:45:29

this is to ans fr phase diff at p

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1

skygirl ·2009-03-31 20:17:41

dist between slits not given ?

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1

vector ·2009-04-02 11:44:46

#ans in #11 r actual ans or ur ans

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24

eureka123 ·2009-04-02 11:43:59

maine book vala answer likha hai post#11 mein......

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24

eureka123 ·2009-04-02 11:43:30

vahi to bada doubt hai..........

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1

vector ·2009-04-02 11:42:54

ye d²/2D kahan se aaya

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1

vector ·2009-04-02 11:39:50

is nt s1o=s2o

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24

eureka123 ·2009-04-02 11:25:44

Ans1 2Ï€/Î» [√d²+x_o²-x₀+(Î¼d²/2D)]

Ans2 2Ï€/Î» [Î¼√d²+x_o²-x₀+(d²/2D)]

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24

eureka123 ·2009-04-02 11:12:29

@ sky.......i followed ur method but my answer is not matching.....

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24

eureka123 ·2009-04-02 11:11:37

plzzzzzzz help.............i need help before JEE........

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1

skygirl ·2009-04-01 01:20:12

wat are the ans btw ?

my ans are also looking very big ......

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24

eureka123 ·2009-04-01 01:16:52

ya..........
plz post complete soln if u have some time.....[1][1]

otherwise i am still trying to force the answer.......

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1

skygirl ·2009-04-01 01:13:48

eureka any prob here ?

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1

skygirl ·2009-03-31 20:37:24

ok then work out ...

first calculate the geometrical distance.

then multiply Î¼ wherever required to get the optical distance.

delX_G = [S S₁ + S₁ O] - [SS₂ + S₂O ]

THIS IS THE GEOMETRICAL DIST..

now find opt dist by multiplying mu in two places as given in diff questions...

then use the formual : Î”Î¸= Î”x.2Î /Î»

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24

eureka123 ·2009-03-31 20:20:20

but i assumed them to be d and distance b/w sli and screen to be D

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24

eureka123 ·2009-03-31 20:19:27

no

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my answers are looking strange.....what are urs???

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