A) that the central maximum is narrower
B) more number of fringes
C) less number of fringes
D) no diffraction pattern
Correct Answer: D
Solution :
Wavelength of x-rays \[(1-100\overset{\text{o}}{\mathop{\text{A}}}\,)\]<< width of the slit (0.6 mm) No diffraction pattern will be observed. When width of slit is of the order of wavelength of light, diffraction is obtained.
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