In single slit diffraction a `=0.14` mm, D =2 and distance of second dark band from central maxima is `1.6 cm` the wavelenght of light is

Question

In single slit diffraction a `=0.14` mm, D =2 and distance of second dark band from central maxima is `1.6 cm` the wavelenght of light is

In single slit diffraction a `=0.14` mm, D =2 and distance of second dark band from central maxima is `1.6 cm` the wavelenght of light is
A. `6500Å`
B. `7500Å`
C. `5600Å`
D. `8500Å`

Monjur Alahi

4 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 - C
`asintheta=nlamda`
`:.axx(x)/(D)=nlamda`
`:.lamda=(14xx10^(-5)xx16xx10^(-3))/(2xx2)=5600Å`

4 views Answered 2023-02-05 15:29