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  1. B

    how was chemistry p5

    Its going to be high. Cause Alhamdulillah, Summa Alhamdulillah, Ma Shaa Allah mone went really good.
  2. B

    PHYSICS p42 GT

    You can agree to disagree.
  3. B

    PHYSICS p42 GT

    Dude! Isotopes have same proton number, YES, BUT when we find the mass of each isotope, we MULTIPLY the nucleon no. Which for EVERY isotope is different.
  4. B

    PHYSICS p42 GT

    Chalo, mana they have different charge, now tell me buddy, do we multiply the nucleon no. With the unified atomic mass or the proton no? Since proton no. Remains the same. So tell me, can mass be different or not?
  5. B

    PHYSICS p42 GT

    You dont get the point. Leave it, examiner will decide.
  6. B

    PHYSICS p42 GT

    Charge on isotopes is same. You can google it. Isotopes have similar charge as neutrons have no charge. Then how can charge be different?
  7. B

    PHYSICS p42 GT

    Sorry, im forgetting the paper. I just remembered that 1.6E-19 was given. But hey, isotopes have the same charge! Like, they have different no. Of neutrons but same no. Of protons.
  8. B

    PHYSICS p42 GT

    They had stated the charge is 1.6E-19. So charge couldnt be different.
  9. B

    A2 Physics P4 Questions ONLY

    Youre smart, and when you asked that question i thought i had it all wrong, i started rechecking my calculation. :P
  10. B

    A2 Physics P4 Questions ONLY

    The angular velocity 'w' is same for both, so when one complete rotation of the wheel takes place, one complete cycle of the piston occurs. So the answer is one. ii) well, 2400 in 60s so in 1s how many revolutions will it make? Use the unitary method and get the answer. Bi) v= omega*amplitude...
  11. B

    A2 Physics P4 Questions ONLY

    Hahaha. You scared me for a second.
  12. B

    A2 Physics P4 Questions ONLY

    Oh. Thanks. Hows prep for tomorrow?
  13. B

    A2 Physics | Questions and Doubts [Post Here]

    Thank you!
  14. B

    A2 Physics P4 Questions ONLY

    How will i explain it when they ask us about discrete energy levels? I know that photons with certain energies are emitted and the energy difference corresponds to the energy of a particular photon but how will i explain it all? I dont know how to phrase my answer
  15. B

    A2 Physics P4 Questions ONLY

    glad i could be of help.
  16. B

    A2 Physics | Questions and Doubts [Post Here]

    i dont. :(
  17. B

    A2 Physics | Questions and Doubts [Post Here]

    Everything, if you can. :) jazakAllah. Im just having problems in phrasing my answer. Marking scheme is confusing me.
  18. B

    A2 Physics P4 Questions ONLY

    That two in the alpha? It came from the two electrons present in the alpha particles which contribute to the charge.
  19. B

    A2 Physics | Questions and Doubts [Post Here]

    Can you please explain to me absorption and emission line spectra?
  20. B

    A2 Physics P4 Questions ONLY

    Ive replied to your question. Hope you get it.can you please in return explain to me absorption and emission line spectra?
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