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A diffraction pattern is produced by a s...

A diffraction pattern is produced by a single slit of width 0.5mm with the help of a convex lens of focal length 40cm. If the wavelength of light used is 5896Å. then the distance of first dark fringe from the axis will be-

A

0.047 cm

B

0.047 m

C

0.047 mm

D

47 cm

Text Solution

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The correct Answer is:
A
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