The light of wavelength 600 nm is incident normally on a slit of width

1.	The light of wavelength 600 nm is incident normally on a slit of width 3 mm. The linear width of central maximum on a screen kept 3 m away from the slit : –(a) 1.2 mm (b) 4.68 mm(c) 2.1 mm (d) 6.75 m
Answer» Correct Option (a) 1.2 mm Explanation: Linear width of central maxima = 2Dλ/a

The light of wavelength 600 nm is incident normally on a slit of width 3 mm. The linear width of central maximum on a screen kept 3 m away from the slit : –(a) 1.2 mm (b) 4.68 mm(c) 2.1 mm (d) 6.75 m

Answer»

Correct Option (a) 1.2 mm

Explanation:

Linear width of central maxima = 2Dλ/a

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The light of wavelength 600 nm is incident normally on a slit of width 3 mm. The linear width of central maximum on a screen kept 3 m away from the slit : –(a) 1.2 mm (b) 4.68 mm(c) 2.1 mm (d) 6.75 m

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