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  1. Nikhil_King

    how was physics paper 12? (no discussions till 24 hours)

    It said that it was projected in air, so can't be downward only, must down + left
  2. Nikhil_King

    how was physics paper 12? (no discussions till 24 hours)

    Just got the paper, the question goes: Light of wavelength _ passes through a diffraction grating...so answer is D.
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