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  1. M

    Help with this multiple choice question?

    A 2W laser light emits light of wavelength 600nm, the number of photons emitted from the laser per minute will be closest to: A) 6X10^12 B) 6X10^18 C) 6X10^22 D) 6X10^24
  2. M

    Doing 12 units, not studying for worst 2 units?

    Is anyone else doing this? Thoughts on completely winging the subject that is your 2 worst units? I have Ancient history coming up, by far my worst 2 units out of my 12, so I've decided to do nothing for it but turn up for the exam. Is this a good or bad thing to do?
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