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Recent content by medevil

  1. M

    please help , physics doubts !

    You use sini/sinr when the light ray travels from air into the glass where angle of refraction would be lesser than angle of incidence the second formula u got it wrong. Its speed of light in air /speed of light in medium thats wats in our syllabus and u use it when they mention the speed in...
  2. M

    Past paper physics doubt

    http://www.xtremepapers.me/CIE/Cambridg ... 2_qp_3.pdf question 2b i know wats in the marking scheme but its not explained clearly so if anyone can help me out :cry:
  3. M

    Physics - Doubts in the syllabus

    http://www.xtremepapers.me/CIE/Cambridg ... 2_qp_3.pdf Question 2b and 2c i know whats there in the marking scheme but its not explained properly if anyone could help me out
  4. M

    Physics doubts!

    i dont think we have the equation in our syllabus u jus have to know that if the light rays are reflected back into the glass block again it is more than the critical angle if u refer to the digram in this site it will be clearer http://www.physicsclassroom.com/class/refrn/u14l3c.cf :lol:
  5. M

    Physics doubts!

    i dont think we have the equation in our syllabus u jus have to know that if the light rays are reflected back into the glass block again it is more than the critical angle if u refer to the digram in this site it will be clearer http://www.physicsclassroom.com/class/refrn/u14l3c.cf :lol:
  6. M

    Physics Doubts discussion here

    i got one doubt guyz how to plan an experiment to measure latent heat?
  7. M

    Physics doubts!

    when an incident ray is going from denser medium to lighter medium (such as glass to block)> If this ray causes the angle of refraction to be 90 degrees to the normal and along the edge of the block, then that angle is critical angle If the incident ray goes beyond the critical angle all the...
  8. M

    Physics Doubts discussion here

    Physics Doubts discussion here Obviously helping others has helped me revise in the past so anybody who has doubts on physics past paper questions as well doubts on specific parts of the syllabus can post their doubts here I will clear it if i can and if i cant and someone else can they can...
  9. M

    Chemistry Revision

    umm i think Mg2+ is soluble in excess ammonia
  10. M

    Who actually completed Biology Paper 3?

    there wasnt anything usnusual but i agree it was lengthy inshallah we'll pass with flying colours
  11. M

    Chemistry paper 6 inquiry

    rusting is not a singled out topic and doesnt come frequently in paper 6 but its better to go through it
  12. M

    chem p6

    if u need any further help go to link viewtopic.php?f=24&t=667 its one of the posts of a member not mine
  13. M

    Economics Paper 32 discussion!!!!

    demand would shift to the right and supply would extend as population ages more elderly people . they require more care so demand increases and price also increases u also have to mention the shift shown in ur diagrm in ur explanation
  14. M

    Biology paper 32

    Re: Biology paper 32!! I don think FSH helps in menstruation the lining jus starts to break down when the level of progesterone drops :)
  15. M

    Physics Paper 3

    the contenet in that site is far too easy
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