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प्रश्न
What is a diffraction grating?
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उत्तर
A diffraction grating is an optical component with a periodic structure that splits and diffracts light into several beams travelling in different directions.
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संबंधित प्रश्न
Two coherent monochromatic light beams of intensities I and 4I are superposed. The maximum and minimum possible intensities in the resulting beam are ______.
Differentiate between Fresnel and Fraunhofer diffraction.
Mention the differences between interference and diffraction.
What is resolution?
What is Rayleigh’s criterion?
Discuss diffraction at single slit and obtain the condition for nth minimum.
Discuss the experiment to determine the wavelength of monochromatic light using a diffraction grating.
Discuss the experiment to determine the wavelength of different colours using diffraction grating.
What is the difference between resolution and magnification?
Consider sunlight incident on a pinhole of width 103A. The image of the pinhole seen on a screen shall be ______.
- a sharp white ring.
- different from a geometrical image.
- a diffused central spot, white in colour.
- diffused coloured region around a sharp central white spot.
What is diffraction?
When light bends around an obstacle or aperture, where does it spread?
What does the similarity between the diffraction pattern and an interference pattern indicate?
Why is diffraction not easily noticeable in light?
What is the roughly stated wavelength range of light?
Why are diffraction effects too small to observe with the naked eye in most everyday situations?
What limit remains even when an optical instrument is built perfectly?
