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Two sources of light of wavelengths 2500...

Two sources of light of wavelengths 2500 Å and 3500 Å are used in Young’s double slit expt. simultaneously. Which orders of fringes of two wavelength patterns coincide?

A

3 rd orderof 1st source and 5th of 2nd source

B

7 th order of 1st and 5th order of 2nd source

C

5 th order of 1 st and 3rd order of 2nd source

D

5th order of 1st and 7th order of 2nd source

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The correct Answer is:
B
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TARGET PUBLICATION-INTERFERENCE AND DIFFRACTION-CRITICAL THINKING
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