Option (D) is the correct answer
Given data: width of each slit, a = 0.80 mm.
distance between the slits, d = 2.6 mm
If the wavelength of light is \lambda then,
2.6 ) = 2 x (0.8) = 6.5 r=2x
x = 7 ( taking the next higher integer of 6.5)
The wavelength of a wave describes how lengthy the wave is. The distance from the "crest" (top) of 1 wave to the crest of the following wave is the wavelength.
Alternately, we can degree from the "trough" (bottom) of 1 wave to the trough of the subsequent wave and get the equal price for the wavelength.
SI unit of wavelength is metre . At the same time as measuring wavelength the multiples or fractions of a metre is also used. Extensively, exponential powers of 10 are used whilst wavelengths are of a huge assets.
Learn more about Wavelength here:- https://brainly.com/question/10728818
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