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A beam of light consisting of two wavelengths, 650 nm and 520 nm, is used to obtain interference fringes in a Young’s double-slit experiment. Find the distance of the third bright fringe on the screen from the central maximum for wavelength 650 nm.
- a)1.37 mm
- b)1.27 mm
- c)1.47 mm
- d)9.75 mm
Correct answer is option 'D'. Can you explain this answer?
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A beam of light consisting of two wavelengths, 650 nm and 520 nm, is u...
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A beam of light consisting of two wavelengths, 650 nm and 520 nm, is u...
's double-slit experiment. The distance between the slits is 0.1 mm and the distance between the slits and the screen is 1 m.
The formula for the distance between interference fringes in a Young's double-slit experiment is:
Δy = λD/d
Where:
Δy = distance between interference fringes
λ = wavelength of light
D = distance between slits and screen
d = distance between slits
For the 650 nm wavelength:
Δy = (650 x 10^-9 m) x (1 m) / (0.1 x 10^-3 m) = 6.5 x 10^-3 m
For the 520 nm wavelength:
Δy = (520 x 10^-9 m) x (1 m) / (0.1 x 10^-3 m) = 5.2 x 10^-3 m
Therefore, the distance between interference fringes for the 650 nm wavelength is 6.5 mm and for the 520 nm wavelength is 5.2 mm.
The formula for the distance between interference fringes in a Young's double-slit experiment is:
Δy = λD/d
Where:
Δy = distance between interference fringes
λ = wavelength of light
D = distance between slits and screen
d = distance between slits
For the 650 nm wavelength:
Δy = (650 x 10^-9 m) x (1 m) / (0.1 x 10^-3 m) = 6.5 x 10^-3 m
For the 520 nm wavelength:
Δy = (520 x 10^-9 m) x (1 m) / (0.1 x 10^-3 m) = 5.2 x 10^-3 m
Therefore, the distance between interference fringes for the 650 nm wavelength is 6.5 mm and for the 520 nm wavelength is 5.2 mm.
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A beam of light consisting of two wavelengths, 650 nm and 520 nm, is used to obtain interference fringes in a Young’s double-slit experiment. Find the distance of the third bright fringe on the screen from the central maximum for wavelength 650 nm.a)1.37 mmb)1.27 mmc)1.47 mmd)9.75 mmCorrect answer is option 'D'. Can you explain this answer?
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