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CAN You SHow Formula and Slep Step Pleag 3. Light, which is emitted from a gas sample, is incident on a diffraction grating with 700 lines/cm. The antinodes appear on a screen 1.25 m away and the antinodes are separated by 2.90x102 m. (a) What is the wavelength of the light? (3 marks) (b) What is the frequency of the light? (2 marks)
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