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About Lizwi

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  1. Does the electron change the direction as it passes through a slit?
  2. Thanks, does that mean the pressure at the bottom of any fluid is atmospheric pressure?
  3. Why atmospheric pressure measure at the bottom of this fluid because atm is exerted by atmosphere and the atmosphere is at the top of the fluid? I though atmospheric pressure should be measured at P0
  4. Why is the pressure on top of this fluid elements on the right equal to p+dp
  5. How to remove this history
  6. Okay, it is clear now, physics is so strange
  7. Eyshhhhhhhhh! I get what Timo is saying. This means I'm teaching incorrect staff to high school learners tha the mass cannot be destroyed or created??
  8. How is it possible that the massless photon changes to two particles with mass, The law of conservation of mass is not obeyed because this means during pair production mass is created
  9. How is this equation derived (The energy of the target electron during Compton scattering)
  10. Lizwi

    Class label

    Can anyone show me the following here: 1) Object 2) Method 3) Attribute Thanks
  11. Lizwi

    Light as waves

    Does Huygen's principle apply to the light?
  12. I'm trying to understand the concept of "light as waves", As far as I know, "wave is a disturbance in a medium" , to me it seems like wave is not an object, but it is a phenomenon. So if light is a wave, does that mean a light is just a disturbance through medium? I'm lost
  13. I doesn't print anything, and there is no error message until I added "print(fun(1,2))" I did not write it on Shell
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