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fr no.26 by doing calculation we get the number of order 3.then they are asking the number of images can be formed.so 3 images will be formed on x and 3 on z and a straight image through yAsalam-o-Alaikum!
http://papers.xtremepapers.com/CIE/Cambridge International A and AS Level/Physics (9702)/9702_s11_qp_13.pdf
could anyone please help me here with questions: 12, 26, 35 and 39??
thanks!
..
[efficiency=useful energy/ total energy used x100]
for Q4
resistance of C is what that u might not have figured if u draw tangents at 1V 2V 3V u will notice that the gradient for R is greater than C u know that resistance does not equal I/V it equals V/I so u have to find the inverse of that gradient in short greater gradient means less resistance. the rest u know that resistance is directly proportional to p.d so C has more V and I is constant as it is connected is series so according to P=IV C will dissipate more heat hope u get it
waisay lite janay wali h bute lets see what i could
for 4c i memorised this part and have problem in part 2
i will solve it later maybe 2-3hours later i do know how to solve but loadshedding is a hindrance
... and part 2 would be solved via Stress/Strain..
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