The Fraunhofer diffraction pattern of a single slit is formed in the focal plane of a lens of focal length 1 m. The width of slit is 0.3 mm. If third minimum is formed at a distance of 5 mm from central maximum, then wavelength of light will be |
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a) |
5000 |
b) |
2500 |
c) |
7500 |
d) |
8500 |

The Fraunhofer diffraction pattern of a single slit is formed in the focal plane of a lens of focal length 1 m. The width of slit is 0.3 mm. If third minimum is formed at a distance of 5 mm from central maximum, then wavelength of light will be |
|||||||

a) |
5000 |
b) |
2500 |
c) |
7500 |
d) |
8500 |

1 Answer

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