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A laser beam of wavelength 650 nm is incident on a single slit of width 0.04...

A laser beam of wavelength 650 nm is incident on a single slit of width 0.04 mm. The diffraction pattern is formed on a screen 1.5 m from the slit. What is the size of the central spot?

a) .048

b) 244cm

c) 488 cm

d) 2.44cm

e) 4.88cm

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