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  1. Hijab

    Physics: Post your doubts here!

    can someone answer the following question... I would really be grateful Q;A 60 W light bulb converts electrical energy to visible light with an efficiency of 8%. Calculate the visible light intensity 2 m away from the light bulb.
  2. Hijab

    Physics: Post your doubts here!

    Wsalm.... I think it means stopped....:)
  3. Hijab

    Physics: Post your doubts here!

    Q11.....Underlined part....I have 4 solutions for it...can someone tell me which of the solutions is correct one....and if all of them are wrong then what will be the correct solutions...... (I think the first solution is illogical)..... any help would be appreciated :)
  4. Hijab

    Physics: Post your doubts here!

    Why did u divide lambda by 2???
  5. Hijab

    Physics: Post your doubts here!

    Yup
  6. Hijab

    Physics: Post your doubts here!

    Can u plz plz solve this question ... I would be grateful
  7. Hijab

    Chemistry: Post your doubts here!

    Can someone plz plz plz answer this question...
  8. Hijab

    Chemistry: Post your doubts here!

    Thank you :-)
  9. Hijab

    Chemistry: Post your doubts here!

    Can some one plz plz explain this question to me.... I would really be grateful :-)
  10. Hijab

    Chemistry: Post your doubts here!

    Thank you... Yes its C
  11. Hijab

    Chemistry: Post your doubts here!

    Can u explain this question to me as well?
  12. Hijab

    Chemistry: Post your doubts here!

    Thankyou :-)
  13. Hijab

    Chemistry: Post your doubts here!

    So for 2 bond pairs and 1 Lone pair its around 120?
  14. Hijab

    Chemistry: Post your doubts here!

    I Isn't it that atoma with 2 bond pairs and 1 lone pair have bond angle between 104-107??
  15. Hijab

    Chemistry: Post your doubts here!

    Can some one plz plz plz explain the question to me... I would really be grateful :-)
  16. Hijab

    Physics: Post your doubts here!

    Thanks
  17. Hijab

    Physics: Post your doubts here!

    Speed is distance/time We need kinetic energy/time We already know that mass= density × volume And volume is area×distance(height) By multiplying it with speed we take into account both distance and time...
  18. Hijab

    Physics: Post your doubts here!

    I am sorry for bothering u again.. But could u explain this question to me?? http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Physics%20(9702)/9702_w10_qp_12.pdf
  19. Hijab

    Physics: Post your doubts here!

    I hope it helps :-)
  20. Hijab

    Physics: Post your doubts here!

    Thankyou
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