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3. A diffraction grating G has 800 lines mm-¹ and is illuminated normally by parallel monochromatic light of wavelengths 560 nm and 590 nm. G Calculate the angle 8 between the first order maxima of each wavelength on one side of the normal.

3. A diffraction grating G has 800 lines mm-¹ and is illuminated normally by parallel monochromatic light of wavelengths 560 nm and 590 nm. G Calculate the angle 8 between the first order maxima of each wavelength on one side of the normal.

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A-level physics question, topic on Diffraction.

 
3. A diffraction grating G has 800 lines mm-¹ and is illuminated normally by parallel monochromatic light of wavelengths 560 nm and 590 nm. HHH By G Calculate the angle 8 between the first order maxima of each wavelength on one side of the normal.
Transcribed Image Text:3. A diffraction grating G has 800 lines mm-¹ and is illuminated normally by parallel monochromatic light of wavelengths 560 nm and 590 nm. HHH By G Calculate the angle 8 between the first order maxima of each wavelength on one side of the normal.
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