Question & Answers
A parallel beam of sodium light of wavelength 5.893×10^-7 m is incident normally on a diffraction grating. The angle between the two first-order spectra on either side of the normal is 28°. Find the number of ruling lines per mm on the grating.
A parallel beam of sodium light of wavelength 5.893×10^-7 m is incident normally on a diffraction grating. The angle between the two first-order spectra on either side of the normal is 28°. Find the number of ruling lines per mm on the grating.
A diffraction grating has 400 lines per mm and is illuminated normally by monochromatic light of wavelength 6000 Å. Calculate the grating spacing, the angle at which the first-order maximum is seen and the maximum number of diffraction maxima are obtained.
A diffraction grating has 400 lines per mm and is illuminated normally by monochromatic light of wavelength 6000 Å. Calculate the grating spacing, the angle at which the first-order maximum is seen and the maximum number of diffraction maxima are obtained.
A parallel beam of sodium light is incident normally on a diffraction grating. The angle between the two first-order on either side of the normal is 27°42′. Assuming that the wavelength of the light is 5.893×10^-7 m, find the number of rulings per mm on the grating.
A parallel beam of sodium light is incident normally on a diffraction grating. The angle between the two first-order on either side of the normal is 27°42'. Assuming that the wavelength of the light is 5.893×10^-7 m, find the number of rulings per mm on the grating.
A plane transmission grating having 500 lines per nm is illuminated normally by the light source of 600 nm wavelength. How many maxima will be observed on a screen behind the grating?
A plane transmission grating having 500 lines per nm is illuminated normally by the light source of 600 nm wavelength. How many maxima will be observed on a screen behind the grating?
How wide is the central diffraction peak on a screen 3.5 m behind a 0.01 mm slit illuminated by a 500 nm light source?
How wide is the central diffraction peak on a screen 3.5 m behind a 0.01 mm slit illuminated by a 500 nm light source?
How wide is the central diffraction peak on a screen 5 m behind a 0.01 mm slit illuminated by 500 mm light source?
How wide is the central diffraction peak on a screen 5 m behind a 0.01 mm slit illuminated by 500 mm light source?
What is the difference between interference and diffraction?
What is the basic difference between interference and diffraction.
Define Fraunhofer diffraction. How is transmission grating constructed?
Define Fraunhofer diffraction. How is transmission grating constructed? Describe necessary theory of diffraction grating.
What is diffraction grating? Discuss the formation of diffraction patterns due to diffraction grating.
What is diffraction grating? Discuss the formation of diffraction patterns due to diffraction grating.
Discuss the Fraunhofer diffraction method in a single slit.
Discuss the Fraunhofer diffraction in a single slit.
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