Respuesta :
The wavelength of light is 619.04 nm.
Solution:
From the figure, the distance between four maxima Y = 2.0 cm
Distance between successive bright fringes Ay Y/4=0.5 cm = 0.005m
We know Ay - 2D d (1)
d = 0.20mm = 1.7 x 10m
D= 17m
From equation (1)
∧ =Δyd/D
∧ = 0.005×0.20×10⁻³/17 = 619.04 nm
Wavelength is the distance between identical points in adjacent cycles of a waveform signal propagating in space or along a wire. In wireless systems, this length is usually expressed in meters, centimeters, or millimeters. Wavelength is the distance between two wave crests and the same for wave troughs.
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