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  1. Thought blocker

    Physics: Post your doubts here!

    What did you memorized :o ?
  2. Thought blocker

    Physics: Post your doubts here!

    n*75
  3. Thought blocker

    Physics: Post your doubts here!

    Use the formula (2n - 1)*75 i.e, for n = 1 we have frequency of 75Hz we are asked for n = 2,3 n = 2 --> 3*75 = 225 n = 3 --> 5*75 = 375 Hence answer is D
  4. Thought blocker

    Physics: Post your doubts here!

    I had seen somewhere but don't remember :/
  5. Thought blocker

    Physics: Post your doubts here!

    by sagar :P
  6. Thought blocker

    Physics: Post your doubts here!

    https://www.xtremepapers.com/commun...st-your-doubts-here.9860/page-522#post-819480
  7. Thought blocker

    Physics: Post your doubts here!

    So whats going on ? :)
  8. Thought blocker

    Physics: Post your doubts here!

    Ok I'll come late over here :)
  9. Thought blocker

    Physics: Post your doubts here!

    Gotta go!!! Sorry... I can't help now... coz I dont wanna study now ._.
  10. Thought blocker

    Physics: Post your doubts here!

    Same question, what do you think answer will be ?
  11. Thought blocker

    Physics: Post your doubts here!

    What you don't get in this ?
  12. Thought blocker

    Physics: Post your doubts here!

  13. Thought blocker

    Physics: Post your doubts here!

    Look i did a calculation mistake it should be a = 0.2g that is a = 2 :)
  14. Thought blocker

    Physics: Post your doubts here!

    https://www.xtremepapers.com/community/attachments/image-jpg.44530/
  15. Thought blocker

    :)

    :)
  16. Thought blocker

    Physics: Post your doubts here!

    Why sad ? You just don't know one part... but trust me... its easy :) 26) As shown in the fig, at time = 18 s, phase diff btw the 2 waves = 180° or π. 1 wavelength = 360° So, 1/8 of a wavelength = 360°/8 → 45°. Phase diff = 180° at 18 s. So, phase diff = 45° at x. x = (18 * 45)/180 x = 4.5 s...
  17. Thought blocker

    Bored, you say :)

    Bored, you say :)
  18. Thought blocker

    Physics: Post your doubts here!

    Here :¬ Consider barrel : Use F = ma That is mg - T = ma (T = tension): 120g - T = 120a Make T the subject of formula so, later we can equate it in other equation or you can solve it by simultaneous equation method also. But I personally go for Equate so, T = 120g - 120a Consider stake ...
  19. Thought blocker

    Physics: Post your doubts here!

    :thumbsup: bhaijaan!
  20. Thought blocker

    Hey hi :)

    Hey hi :)
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