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I misread the question. Sorry for that, the answer was wrong hence I uploaded new. Which makes more sense.u removed ure post??? @sarcastic retard
anyways i knw tht tooo i ws asking about the 'rebound' part as stated in markscheme
View attachment 52379
tyIt should be like this.
Mention not ^-^
you have to shade the area that is between two lines.
is it Acos 30??.....and 90 degree??
1. For the dark fringe amplitude for first wave will be maximum and second will be minimum and so the phase difference is 180°.
yeah A cos 30is it Acos 30??.....and 90 degree??
got it ty1. For the dark fringe amplitude for first wave will be maximum and second will be minimum and so the phase difference is 180°.
2. For the bright fringe amplitude for both waves will be maximum.
At the bright fringe total amplitude will be 3.4 units and at dark fringe it will be 0.6 units. Intensity is proportional to square of velocity so ratio is 3.4^2/0.6^2=32
http://freeexampapers.com/A-Level/Physics/CIE/2010-Jun/9702_s10_qp_22.pdf
Question 2 b ii. shouldnt the distance be o.21? How come it is 90? SOMEONE????
And question 7 bii as well??
Resistance is the reciprocal of the gradientCan someone please explain the 85th question. The answer is actually: B.
THANKS IN ADVANCE!!!!!
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