Light of wavelength ' 
' is incident on a slit of width ' 
' 'The resulting diffraction pattern is observed on a screen at a distance ' 
'. The linear width of the principal maximum is then equal to the width of the slit if 
equals
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
: Wavelength 
, slit width 
,
screen distance 
Linear width of central principal maximum
When linear width is equal to the slit width, then
Now, 
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