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try using the word random zig zag motionAnyone please?
two equations are :
Specs of light are observed when the smoke particles collide with the air particles yeah.Brownian motion is described by the random,haphazard motion of smoke particles as they collide with air particles causing specks of light to be seen.Anyone please?
actually we write specks of light because the particles themselves are not visible. we can't figure out their shape or anything but only small specks of light so we know their location only.Anyone please?
in the post you qouted i said i haven't done winter 13 papers. i will answer your question when i have myself done that paper. and for now i am solving other queries before resuming my practice. so please wait about an hour.http://papers.xtremepapers.com/CIE/Cambridge International A and AS Level/Physics (9702)/9702_w13_ms_23.pdf
can anyone help me with question 5 c? pleaseeeeeeeeeeee
http://papers.xtremepapers.com/CIE/Cambridge International A and AS Level/Physics (9702)/9702_w02_qp_2.pdf
AND can someone explain how to solve question 5 (b) please !!!!
we are required to find resultant velocity(not force) which is found be adding velocities, like we add other vectors, through triangle rule, head-to-tail rule or parallelogram rule. head to tail is easiest.
Yeah It will be more helpful If you drew it ! and add e (i) to it too cuz I'm not sure It is right or not .. thanks a lot !
Brightness of fringes increases? I think it decreases my friend.Pls check
Reason-Distance traveled by the wave increases as order number increases.
well .. internal energy is the sum of the random KE and PE of all particles of a substanceGuys can some PLEASE gimme a detail bots in the internal energy .. I always get confused ..
Like what I want is what happens to the K.E and the P.E .. As the change in state takes place.. Like from solid to liquid as well as liquid to gas.. DETAILED
Thank u
Please help
Thank you soo much!
Here you need to draw labelled diagram of source of light, apparatus to diffract/interfere and how to observe it.
it's simple. you already know the weight of the load just simply multiply it with the extension(17.8-16.3)
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