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1 A diffraction grating has a spacing of 1.6 10-m. A beam of light is incident normally on the grating. The first order maximum makes an angle of 20° with the undeviated beam.what is wavelength of the
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1 A diffraction grating has a spacing of 1.6 10-m.

A beam of light is incident normally on the
grating. The first order maximum makes an angle
of 20° with the undeviated beam.what is wavelength of the incident light
​

User Romkey
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User Musiq
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