Question

In a Young’s double slit experiment, two narrow vertical slits placed 0⋅800 mm apart are illuminated by the same source of yellow light of wavelength 589 nm. How far are the adjacent bright bands in the interference pattern observed on a screen 2⋅00 m away?

Answer 1

Answer:

1.4mm far are the adjacent bright bands in the interference pattern observed on a screen 2⋅00 m away.

Explanation:

Given

D=0.8mm=0.8x 10⁻³ m

λ=589 nm = 589 x 10⁻⁹ m

d=2 m

Formula to be used :

β=Dλ/d

=589 x 10⁻⁹ x 2 / 0.8 x 10⁻³

=1.47 x 10⁻³ m

=1.47mm

Answer 2

Answer:

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