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  1. Catherine_1

    Physics: Post your doubts here!

    Thankssss:D
  2. Catherine_1

    Physics: Post your doubts here!

    So can we like,make this assumption whenever the same isotope is given?:D :P Thankkkkk youuuu so much!!!!!! :D :D :D :D :D :) :) :) :P This question was quite different from the norm tho:P Btw if you get the other one too whenever do let me know, please. :D :D :D
  3. Catherine_1

    Physics: Post your doubts here!

    Okay so could anyone help me out with the three questions, my structured paper 4 is tomorrow, please help.:D :) :p Ms:) Part iii please :p Ms:). I am clueless why they have multiplied the transmitted and reflected intensities and also why squaring is taking place.:p :> In the second...
  4. Catherine_1

    Welcome.:) Thank you for following back.:)

    Welcome.:) Thank you for following back.:)
  5. Catherine_1

    Physics: Post your doubts here!

    Thank youuu.:D Cool, lol no problem.:) :D :p :D
  6. Catherine_1

    Physics: Post your doubts here!

    Thank youuu once again!:) But I have a slight query if it depends on intensity then why does increase in frequency trigger initially an increase in current? Like, The way I am seeing: when we increase the frequency the electrons gain more ke so the flow faster and since current is the rate of...
  7. Catherine_1

    Physics: Post your doubts here!

    Thank youuu!:D :) :D
  8. Catherine_1

    Physics: Post your doubts here!

    Please help!:D
  9. Catherine_1

    Physics: Post your doubts here!

    Somehow the answers are contradictory in nature.:/ Should the answer simply be a bright spot?:p Physicist and nehaoscar or anyone lol please help :p:P
  10. Catherine_1

    Physics: Post your doubts here!

    In smoothing circuits, why does increasing capacitance of the capacitor and resistance of the load result in more smoothing?Also,why is it difficult to change the value of voltage quickly if the two have higher values?:):) Does anyone have notes for alternating current chapter?:p :D
  11. Catherine_1

    Bs in Chemical engineering vs Bsc in Economics

    Okay so this might sound seriously insane but my A level choice have been physics,chemistry,mathematics and Economics.I am a very indecisive person as such, I would like to know which of the above would have higher job prospects, salaries and job satisfaction?:P My parents suggest economics...
  12. Catherine_1

    Chemistry: Post your doubts here!

    Does anyone have some good resources for NMR and infrared spectroscopy, please?:D
  13. Catherine_1

    Physics: Post your doubts here!

    Can anyone please suggest good resources/files for Eddy currents and Cathode ray Oscilloscope and photoelectric current?:p :)The mass-energy concept in nuclear physics too?:D Also, can anyone explain the syllabus statement 25.2 d)?:) The statement is-: Explain why maximum photoelectric energy is...
  14. Catherine_1

    Physics: Post your doubts here!

    Hey, Could anyone please provide me with the reasoning for the following questions of the photoelectric effect: a) In graph 2 why does increase in frequency cause current to increase at a decreasing rate? b)In graph 3 and 4 , what does negative stopping potential imply?Like what exactly does it...
  15. Catherine_1

    Physics: Post your doubts here!

    See Qs 500. :) http://physics-ref.blogspot.in/2015/03/physics-9702-doubts-help-page-97.html
  16. Catherine_1

    Physics: Post your doubts here!

    Which question?:)
  17. Catherine_1

    Physics: Post your doubts here!

    Okay so the reasoning I gave lol is correct so you can adhere to definitely:P, however in this question it requires further elaboration, okay so, if you realise the proton is positively charged so it is obviously going to be repelled by the lower plate so the electric force is repulsive.Next...
  18. Catherine_1

    Physics: Post your doubts here!

    See, what is happening is that they're measuring the electric field strength the alpha particle and subsequently the proton.However when you are placing them in vacuum it is inevitable for them not to interact and repulsion to not take place so they do repel in conclusion.:P And from the graph...
  19. Catherine_1

    Physics: Post your doubts here!

    We don't take the gravitational field since, the mass of subatomic particles, specifically electrons is very less hence it is pretty insignificant when compared to electric forces
  20. Catherine_1

    Physics: Post your doubts here!

    Ideally the definition is- Electric field strength is force per unit positive charge, acting on a stationary point charge. No it is basically since the charges repel and electric field strength point outwards for both positive charged particles, however since you are moving along the strength...
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