8 Matching Annotations
  1. Jun 2021
    1. 3.02×10−33photonsmin

      The correct answer is 3.02*10^27 photons/minute

    2. E=1.99×1037J

      The correct answer is E = 1.99*10^-23 J

    3. 1.658×1040

      The correct answer is 1.66*10^22 photons/minute

    4. E=1.99×1037J

      This is incorrect. The correct answer is 1.99*10^-23J.

    5. E=3.618×10−37J

      The correct answer is 3.614*10^-19 J and not 3.618*10^-37

    6. (6.634×10−34J⋅s

      The value of h is 6.62610^-34 J/s and not 6.63410^-34

    7. 550×109m

      The wavelength is 550 nm = 550*10^-9 and not 550*10^9

    8. E=4.3×10−19J

      The correct answer is 4.3 * 10^-47 and not 4.3*10^-19