In a single slit diffraction pattern, a light of wavelength 
is used. The distance between the first and third minima in the diffraction pattern is found to be 3 mm when the screen in placed 50 cm away from slits. The width of the slit is 
.
Text Solution
Verified by ExpertsThe correct answer is:
B
For 3 rd minima 
Similarly, 
Now, according to question 
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