If we observe the single slit Fraunhofer diffraction with wavelength l and slit width e, the width of the central maxima is 2q. On decreasing the slit width for the same l [UPSEAT 2004]

The spectrum will seems to shift to ultraviolet side

q increases or decreases depending on the intensity of light

If we observe the single slit Fraunhofer diffraction with wavelength l

1.	If we observe the single slit Fraunhofer diffraction with wavelength l and slit width e, the width of the central maxima is 2q. On decreasing the slit width for the same l [UPSEAT 2004]
A.	q increases
B.	q remains unchanged
C.	The spectrum will seems to shift to ultraviolet side
D.	q increases or decreases depending on the intensity of light
Answer» B. q remains unchanged

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