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  1. Wasim Mohammed

    Physics 9702 Paper 4 Preparation and Sure Questions

    I guess so it would be around the range of 51-53. bcos some of the easier papers in oct-nov 2013 had a threshold of 55 for an A . Let's all hope for the best :D
  2. Wasim Mohammed

    Thank u , means a lot :D

    Thank u , means a lot :D
  3. Wasim Mohammed

    Physics 9702 Paper 4 Preparation and Sure Questions

    I did the 43 variant, and i thought , it wasn't really easy, the questions were kinda new, they've changed the format a bit , and a bit tricky :D
  4. Wasim Mohammed

    Physics 9702 Paper 4 Preparation and Sure Questions

    Guys if there are any further topics , u would like me to send, pls do comments and i would try my best to send them ! :D BTW GOOD LUCK FOR A'LEVEL PHYSICS and all the other subjects as well !
  5. Wasim Mohammed

    Physics 9702 Paper 4 Preparation and Sure Questions

    Heres some notes on quantum physics Equations : E=hf (only for photons) c=fλ work function = hf0 E photon = Work function + KEmax (Ek)max against f (gradient=h) hf= hf0 + (Ek) max (Ek) max = hf - hf0 E photon emitted = E2 - E1 λ= h/p Definitions: Photon : Discrete packets of energy of...
  6. Wasim Mohammed

    Physics 9702 Paper 4 Preparation and Sure Questions

    Here are some notes on Direct Sensing EQUATIONS: Vout = A0 ( V+ - V- ) Inverting amplifier : Vout/Vin = -(Rf/Rin) (need to derive) Non inverting amplifier : Vout/Vin = 1 + (Rf/R1) Definitions: Negative feedback: Process whereby a fraction of the output is fed back to the inverting input...
  7. Wasim Mohammed

    Physics 9702 Paper 4 Preparation and Sure Questions

    NOTES ON OSCILLATION EQUATIONS: - a= -(w^2)x (defining equation) - x=x0 sin(wt) where x0=amplitude(possible solution to SHM equation, no damping) - f=1/T - w=2πf = 2π/T - v=v0cos(wt) - v= +/-w (x0^2 - x^2)^1/2 (DATA SHEET) - Ep = 1/2 mw^2x^2 - Ek = 1/2 mw^2(x0^2-x^2) using Ek= 1/2mv^2 & v=...
  8. Wasim Mohammed

    Physics 9702 Paper 4 Preparation and Sure Questions

    ITs just that i can't send all the notes , i can only slowly send part by part.. hahaha , Anyways, thanks for asking :)
  9. Wasim Mohammed

    Physics 9702 Paper 4 Preparation and Sure Questions

    Hehe, glad to know ! Thx for the comment :D
  10. Wasim Mohammed

    Physics 9702 Paper 4 Preparation and Sure Questions

    I assume what u r asking on is on ELECTROMAGNETISM so heres some important notes on that : Definition Magnetic Field: Region of space in which a moving charge experiences a force Tesla (Based on eqn. F=BIL sinθ ) It is the magnetic flux density of the magnetic when a conductor carrying a...
  11. Wasim Mohammed

    Physics 9702 Paper 4 Preparation and Sure Questions

    I am really sorry , theres just a lot.. and if there is any specific topic u want , then i can send u notes on that :D
  12. Wasim Mohammed

    Physics 9702 Paper 5 Planning and Experiments

    Guys i really hope that the above notes , have helped u , if yes, pls do comment :D
  13. Wasim Mohammed

    Physics 9702 Paper 5 Planning and Experiments

    Can't really help you on Question2 , but i will try :D So here it is. Usually question 2 , Experess equation in y=mx + c form and find gradient and y-intercept the Table then You have to label the table with the quantity(using Symbol given) & unit E.g. L/m (lg , ln , cos , sin , tan has no...
  14. Wasim Mohammed

    Physics 9702 Paper 4 Preparation and Sure Questions

    Physics 9702 Paper 5 Planning and Experiments
  15. Wasim Mohammed

    Physics 9702 Paper 4 Preparation and Sure Questions

    C Check out my new thread for paper 5 revision. And if any feedbacks or comments, pls do so :D
  16. Wasim Mohammed

    Physics 9702 Paper 5 Planning and Experiments

    As requested : Things to list out in Paper 5 question 1: 1)What are the variables(3 marks) -Change _____ to determine/find ____ _____ should be kept constant (control) -Independent Variables= -Dependent Variable= -Control= 2) Labelled Diagram of apparatus used (5 marks) How do u measure the...
  17. Wasim Mohammed

    Physics 9702 Paper 4 Preparation and Sure Questions

    If u guys are interested on receiving the notes, comment below :D
  18. Wasim Mohammed

    Physics 9702 Paper 4 Preparation and Sure Questions

    Number 2 depends really but usually question is based on Ideal Gas (Usually 8 marks) Formulas to know mainly : 1) pV=nRT (take care of S.I units) 2) p=1/3 x (density) x <c^2> = Nm<c^2>/3V 3) K.E = 3/2 kT ( for 1 molecule) 4) K.E = 3/2 NkT (for N molecules) 5) k= R/Na = Boltzmann Constant 6) n=...
  19. Wasim Mohammed

    Physics 9702 Paper 4 Preparation and Sure Questions

    Number 1 : Usually Always About Gravitation (Usually 8 marks) Formulas to know mainly : 1) w=2 pi / T or 2 pi F 2) F=1/T 3) Fg = GMm/r^2 (point masses) 4) Fc = mrw^2 or mv^2/r 5)gravitational potential = -GM/r 6) Gravitational potential energy = -GMm/r 7) Fc=Fg (gravitational force...
  20. Wasim Mohammed

    Physics AS level Paper 1 Time Management and preparation tactics

    In case your wondering where to find the 2014 may june papers , u can go on to www.onlineexamhelp.com
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