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It is important to maintain septic systems in order to

1 answer:

3 0

It is important to maintain septic systems in order to <span>prevent untreated sewage from contaminating groundwater</span>

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What is the wavelength of light that is deviated in the first order through an angle of 13.1 ∘ by a transmission grating having

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Answer:

The wavelength of light is $4.53\times10^{-7}\ m$

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Given that,

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Number of slits = 5000

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Diffraction of first order is defined as,

$d \sin\theta=n\lambda$ .....(I)

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$d = \dfrac{1}{N}$

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Now put the value in equation (I)

$2\times10^{-6}\sin13.1^{\circ}=\lambda$

Here, n = 1

$\lambda=4.53\times10^{-7}\ m$

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