8) A diffraction grating has a spacing of 1.6 x 10 m. A beam of light

1.	8) A diffraction grating has a spacing of 1.6 x 10 m. A beam of light incident normally on thegrating. The first order maximum makes an angle of 200 with the undeviated beam. What isthe wavelength of the incident light?
Answer» ANSWER: d sin⁡θ=nλ 1.6 ∙ 〖10〗^(-6) sin⁡20=(1)(λ) λ=550 NM.

8) A diffraction grating has a spacing of 1.6 x 10 m. A beam of light incident normally on thegrating. The first order maximum makes an angle of 200 with the undeviated beam. What isthe wavelength of the incident light?

Answer»

ANSWER:

d sin⁡θ=nλ

1.6 ∙ 〖10〗^(-6) sin⁡20=(1)(λ)

λ=550 NM.

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8) A diffraction grating has a spacing of 1.6 x 10 m. A beam of light incident normally on thegrating. The first order maximum makes an angle of 200 with the undeviated beam. What isthe wavelength of the incident light?​

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8) A diffraction grating has a spacing of 1.6 x 10 m. A beam of light incident normally on thegrating. The first order maximum makes an angle of 200 with the undeviated beam. What isthe wavelength of the incident light?