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Calculate angular width of central maxima if λ=6000 A°, a=18×10-5 cm:-

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Important Questions on Wave Optics

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Beta Question Bank for Engineering: Physics>Chapter 31 - Wave Optics>Exercise-1>Q 51
In single slit Fraunhofer diffraction, which type of wavefront is required?
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Beta Question Bank for Engineering: Physics>Chapter 31 - Wave Optics>Exercise-1>Q 52
In the diffraction pattern of a single slit aperture, the width of the central fringe compared to the widths of the other fringes is,
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Beta Question Bank for Engineering: Physics>Chapter 31 - Wave Optics>Exercise-1>Q 53

The central fringe obtained in diffraction pattern due to a single slit,

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Beta Question Bank for Engineering: Physics>Chapter 31 - Wave Optics>Exercise-1>Q 54
In a single-slit diffraction pattern, if the light source used is of less wavelength than the previous one, the width of the central fringe would be,
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Beta Question Bank for Engineering: Physics>Chapter 31 - Wave Optics>Exercise-1>Q 55
In the laboratory, diffraction of light by a single slit is being observed. If slit is made slightly narrow, then diffraction pattern will :-
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Beta Question Bank for Engineering: Physics>Chapter 31 - Wave Optics>Exercise-1>Q 56
Find the half angular width of the central bright maximum in the Fraunhofer diffraction pattern of a slit of width 12×10-5 cm when the slit is illuminated by monochromatic light of wavelength 6000 A∘.
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Beta Question Bank for Engineering: Physics>Chapter 31 - Wave Optics>Exercise-1>Q 57
In a Fraunhofer's diffraction by a slit, if slit width is a, wavelength λ, the focal length of the lens is f, then linear width of central maxima is
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Beta Question Bank for Engineering: Physics>Chapter 31 - Wave Optics>Exercise-1>Q 58
In a Fraunhofer's diffraction obtained by a single slit aperture, the value of path difference for nth order minima is,