In interference of light, a point is bright if the path difference between the two beams arriving at that point is

Question

In interference of light, a point is bright if the path difference between the two beams arriving at that point is

In interference of light, a point is bright if the path difference between the two beams arriving at that point is
A. an integral multiple of the wavelengths
B. an odd multiple of the wavelengths
C. an odd multiple of half of the wavelengths
D. an even multiple of half of the wavelengths

Monjur Alahi

9 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - A
`(a_(1))/(a_(2))=(4)/(3), (I_("max"))/(I_("min"))= ?`
`=(a_(1))/(a_(2))=(4)/(3) :. a_(2)(3a_(1))/(4)`
Now, `(I_("max"))/(I_("min"))+((a_(1)+a_(2))^(2))/((a_(1)-a_(2))^(2))`
`((a_(1)+(3a_(1))/(4))^(2))/((a_(1)-(3a_(1))/(4))^(2)`
`=(49)/(1)`

9 views Answered 2023-02-05 15:29