Diffraction MCQ Level - 1 - IIT JAM MCQ
10 Questions MCQ Test - Diffraction MCQ Level - 1
What changes are observed in a diffraction pattern if the whole apparatus is immersed in water?
How does the width W of the central maximum formed from diffraction through a circular aperture (pupil) change with aperture size (b) for a fixed distance away from the aperture?
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A grating is able to resolve two very close spectral lines of wavelength 5890 
and 5896 
in its first order diffraction. The resolving power of the grating is :
and 5896 in its first order diffraction. The resolving power of the grating is :
The diffraction pattern due to circular aperture consists of :
The distance between the maxima of two wavelengths seen on a screen, after passing through a diffraction grating :
According to Rayleigh’s criterion of resolution, the two spectral lines of equal intensity are just resolved when the central maximum of the diffraction pattern due to one falls :
Which one of the following plane transmission grating of width W, and number of lines per cm, L, will have the maximum resolving power in the first order?
If N is the total number of rulings on the grating, m is the order of spectrum and A is the wavelength of light used, then resolving power of grating is given by :
Important Questions for Diffraction MCQ Level - 1
Diffraction MCQ Level - 1
Online Tests for Diffraction MCQ Level - 1
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