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  1. Thought blocker

    Physics: Post your doubts here!

    Stationary waves summery : Main concepts: do not appear to propagate are produced by the interference of two waves traveling in opposite directions with the same frequency and amplitude Positions on a standing wave: node: a point where the amplitude is zero or a minimum (always form at fixed...
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    Post all of ur doubts here Mishi :)

    According to syllabus, we must know that a proton has a charge +e (the basic/elementary charge) Now according to this question, protons themselves are made up of particles called quarks. There are different types of quarks, each one with its own charge. Whatever the combination of quarks, the...
  3. Thought blocker

    Post all of ur doubts here Mishi :)

    13) 5*2 is upwards and so is 10*2 while 20*3 is down wards 60-30=30 A 14)
  4. Thought blocker

    Post all of ur doubts here Mishi :)

    Ok..This is Tricky But involves Math Skills..!! Look Proton Has Charge of (+)1.! We need to end Up at One Using Values of Up quark and Down Quark.! If U Take 2 UpQuarks = (+)(2/3) * 2 = (+)(4/3) And One Down Quark = (-)(1/3) * 1 = (-)(1/3) When You add them Together.. (+)(4/3) + (-)(1/3)= (+)1
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    ?

    ?
  6. Thought blocker

    Physics: Post your doubts here!

    Paper 34 - I haven't practiced a single experiment. :'( Help me someone :'(
  7. Thought blocker

    As physics p1 MCQS YEARLY ONLY.

    Hanona You are doing nice Job. :thumbsup:
  8. Thought blocker

    I can't speak anything. But he is sincerely loving you ^_^

    I can't speak anything. But he is sincerely loving you ^_^
  9. Thought blocker

    He said he misses you lot :)

    He said he misses you lot :)
  10. Thought blocker

    Well I forgot to convey a message by him. Sorry for the delay. Well, I'd be to the point. His...

    Well I forgot to convey a message by him. Sorry for the delay. Well, I'd be to the point. His net is not working, and said miss ya all. . _ . tata.
  11. Thought blocker

    Oh yes, I forgot to tell you, so sorry... Listen, Idk how, but Vishal said his net had blown up...

    Oh yes, I forgot to tell you, so sorry... Listen, Idk how, but Vishal said his net had blown up, I mean there is some fault, his net is not working good. So he asked me to tell this to you! -I forgot. Sorry. :'(
  12. Thought blocker

    Physics: Post your doubts here!

    V1= 5000/ (5000+5000) x 2 = 1V then V2= 3000/ (3000 + 2000) x 2 = 1.2 so V1 - V2 = -0.2 so C
  13. Thought blocker

    Physics: Post your doubts here!

    9) First find the time, using S = Ut + 0.5t^(2) ; S = 1.25 , U = zero, t = ? That is 1.25= 0.5 x 9.81 x t^(2), t = 0.5 seconds. Now for the Velocity, we know it equals Displacement / time taken ----> V = 10 / 0.5 = 20 m/s so in this type of question either of 2 quantities are given, we just...
  14. Thought blocker

    Physics: Post your doubts here!

    29) c = f * λ We know f = 1 / t so c = 1 / t * λ t = λ / c now it took 3 wavefronts to reach XY to P so t = 3λ / c 34) 36) Its obviously D : As Light intensity increases, its resistace decreases, so as R = V / I , R α V, so As R decreases, V would also decrease across LDR. 37) current is...
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    As physics p1 MCQS YEARLY ONLY.

    You are welcomed anytime with doubts :)
  16. Thought blocker

    As physics p1 MCQS YEARLY ONLY.

    13) Anticlockwise moments= Clockwise moments 20 x 9.81 x60= 100x 10x 9.81 + 50x9.81 x 11772-9810=50x9.81x x=4 cm clockwise 40+4=44 cm 14) this one is tricky, utilize the kinematics equation V^2 = U^2 + 2as so the first drop is u^2 = 0 + 2ah the rebound is 0 = v^2 - 2a(h/2) = v^2 - ah so v^2/u^2...
  17. Thought blocker

    Physics: Post your doubts here!

    I had solve this question, go few pages back or gimme paper link
  18. Thought blocker

    Awesome :)

    Awesome :)
  19. Thought blocker

    As physics p1 MCQS YEARLY ONLY.

    Force = ma = 120 * 10 = 1200 N
  20. Thought blocker

    AS Physics P1 MCQs Preparation Thread.

    Read the books :)
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