Qualification > Sciences
ALL PHYSICS DOUBTS - POST HERE !!
ambitious94:
--- Quote from: Ivo on May 26, 2010, 04:51:07 pm ---Is it because first time, it attracts. But when current is reversed, steel is magentically hard so hangs on to magnetism, so it repels, cos if forms poles?
--- End quote ---
DITTO :)
Adzel:
Guys Remember this,
Raul's Mother Is Visiting Uncle Xavi's Garden
Fastal:
what do we have to know for this part of the syllabus? do we need to know Hugyens constructions and stuff?
describe the use of water waves to show-
(i)reflection at a plane surface
(ii)refraction due to a change of speed
(iii)diffraction produced by wide and narrow gaps[understand the diffraction part]
-interpret relection, refraction and diffraction using wave theory
rhea:
--- Quote from: Adzel on May 26, 2010, 05:06:11 pm ---Guys Remember this,
Raul's Mother Is Visiting Uncle Xavi's Garden
--- End quote ---
and whats that?? :-\ :-\ :-\
ambitious94:
--- Quote from: MasterMath on May 26, 2010, 05:00:12 pm ---Anyone can help me with Vernier calipers? ive never done it and never even heard about it in school ??? So anyone can tell me how to use it or anything ?
Thanks!
--- End quote ---
http://www.complore.com/using-vernier-calipers-and-micrometer-screw-gauge-0
Found it awesum!
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