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In double slit experiment SS_2 is greater than SS_1 by 0.25lamda. Calculatethe path difference between two interfering beam from S_1 and S_2 forminima and maxima on the point P as shown in figure. |
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Answer» Solution :PATH DIFFERENCE `(SS_2+S_2P)-(SS_1+S_1P)=(SS_2-SS_1)+(SS_2P-S_1P)` `=(0.25 LAMDA +S_2P-S_1P)` For maxima path difference `=n lamda` , So, `S_2P-S_1P= n lamda-0.25 lamda=(n-0.25) lamda` For minima path difference =`(2n+1) lamda/2` So, `S_2P-S_1P=(2n+0.5)lamda//2` |
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