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Recent content by Catherine7532

  1. Catherine7532

    Mathematics: Post your doubts here!

    I gave AS math but my P1 score was not good but i did well in stats. If i just give my P1 exam and be absent for my stats exam, will cie take my stats score from my AS level???
  2. Catherine7532

    Physics: Post your doubts here!

    VOLTAGE= 3.0-1.2 = 1.8V RESISTANCE = 9.0 CURRENT = 1.8 / 9.0 = 0.2A
  3. Catherine7532

    Physics: Post your doubts here!

    25 A wire stretches 8 mm under a load of 60 N. A second wire of the same material, with half the diameter and a quarter of the original length of the first wire, is stretched by the same load. Assuming that Hooke’s law is obeyed, what is the extension of this wire? A 1 mm B 4 mm C 8 mm D 16 mm
  4. Catherine7532

    Physics: Post your doubts here!

    How is the answer D? 5 A quantity x is to be determined from the equation x = P – Q. P is measured as 1.27 ± 0.02 m. Q is measured as 0.83 ± 0.01 m. What is the percentage uncertainty in x to one significant figure? A 0.4 % B 2 % C 3 % D 7 %
  5. Catherine7532

    As physics p1 MCQS YEARLY ONLY.

    the force required to make the cube topple is in clockwise direction so shouldnt the force required to stop the cube from toppling be in anticlockwise direction???
  6. Catherine7532

    As physics p1 MCQS YEARLY ONLY.

    Q15 AND Q29 plzzzzzzzzz?
  7. Catherine7532

    As physics p1 MCQS YEARLY ONLY.

    Q10????
  8. Catherine7532

    As physics p1 MCQS YEARLY ONLY.

    can u solve this plzzz??
  9. Catherine7532

    As physics p1 MCQS YEARLY ONLY.

    in q2 why is the answer C and not D?? in Q31 why is the ans D and not C? IN q38 how do we know whether the speed of the electron will increase or decrease?
  10. Catherine7532

    As physics p1 MCQS YEARLY ONLY.

    thanks but i asked for q27. it doesnt even need explanation but i would be glad if u could give one.
  11. Catherine7532

    As physics p1 MCQS YEARLY ONLY.

    q27 plzzzz? i know its a simple question but.........didnt get it
  12. Catherine7532

    As physics p1 MCQS YEARLY ONLY.

    thanx a lot
  13. Catherine7532

    As physics p1 MCQS YEARLY ONLY.

    in q27 why is the polarity of the charge negative??
  14. Catherine7532

    As physics p1 MCQS YEARLY ONLY.

    For 2nd order, d sin θ = 600 nm * 2, which is d sin θ = 1200 nm For 3rd order, d sin θ = 3λ Since d has to be the same and the angle is also the same, we can equate the 2 equations. 3λ = 1200 nm λ = 400 nm.
  15. Catherine7532

    As physics p1 MCQS YEARLY ONLY.

    ovt/nov 09 6. displacement=area under velocity-time graph. area of trapezium=.5(6+12)*2=18m
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