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White light is passed through a double slit and interference pattern is observed on a secreen 2.5 m away. The separation between the slits is 0.5 mm. The first violet and red frings are formed 2.0 mm and 3.5 mm away from the central white fringe. Calculate the wavelegths of the violet and the red light.

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The correct Answer is:
400 nm , 700 nm
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SL ARORA-WAVE OPTICS-Based on Young s Double Slit experiment
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  5. The two slits in Young's double slit experiment are separated by a dis...

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  6. In YDSE, light of wavelength 5000 Å is used. The third bright band on ...

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  7. In a Young's double slit experiment the distance between the slits and...

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  8. In a Young's double-slit experiment , the slits are separated by 0.28 ...

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  10. In Young's double slit experiment , red light of wavelength 620 nm is ...

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  11. When two narrow slits separated by a small distance are illuminated by...

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  12. In Young's experiment, two coherent sources are 1.5 mm apart and the f...

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  13. In a Young's double slit experiment , the interference fringes are obt...

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  14. In Young's experiment, interference pattern is obtained on a screen at...

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  15. Among two interfering sources, let A be ahead in phase by 54^(@) relat...

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  16. In Young's experiment, what will be the phase difference and the path ...

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  17. In a Young's double slit interference pattern at a point , we observe ...

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  18. In Young's double slit experiment , light waves of lambda = 5.4 xx 10^...

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  19. A Young's double slit apparatus has slits separated by 0.28 mm and a s...

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  20. White light is passed through a double slit and interference pattern i...

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