SOLVED HARDEST questions for QUICK last day REVISION

[Igcse giver]

please solve thiss!!!

 

[Suchal Riaz]

I have introduced an index as proposed by some of my fellows on XPC.
the first page and tittle is updated to make it more attractive.

 

[Suchal Riaz]

HOW TO QUICKLY ADD A NEW DIFFICULT SOLVED QUESTION:

if someone answers a difficult question on doubts thread. right click the #number at the left of the 'like' button, copy the link and paste it here on this thread. I will shortly update the index.

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[sudeep1097]

https://www.xtremepapers.com/commun...st-your-doubts-here.9599/page-541#post-741751
This is from the year 2012 for mathematics p3 oct/nov I thought this was difficult

 

[Suchal Riaz]

https://www.xtremepapers.com/commun...st-your-doubts-here.9599/page-541#post-741751
This is from the year 2012 for mathematics p3 oct/nov I thought this was difficult

Thanks bro. much appreciated.

 

[zain ul abidin]

some of these so called worked solutions of hardest questions

WAVES(AS)
i think that answer of q6 on page 8 is (d).Do confirm it!

 

[snowbrood]

WAVES(AS)
i think that answer of q6 on page 8 is (d).Do confirm it!

ok then u explain bro why is D correct

 

[daredevil]

http://papers.xtremepapers.com/CIE/... AS Level/Chemistry (9701)/9701_w12_qp_42.pdf

http://papers.xtremepapers.com/CIE/... AS Level/Chemistry (9701)/9701_w12_ms_42.pdf


Q4 from this paper made a real mess for me... do try it and do it again and again till u absolutely get the hang of it. :|

 

[Suchal Riaz]

WAVES(AS)
i think that answer of q6 on page 8 is (d).Do confirm it!

yes indeed the answer is D.

 

[Suchal Riaz]

ok then u explain bro why is D correct

i am sorry for my poor drawing.
I means intensity

 

[Suchal Riaz]

Math w11 paper 42
https://www.dropbox.com/sh/wysp380kzomglz3/dWK4kAtBjt
Fully solved. Question 7, 6 and 5th can be considered difficult.

 

[Thought blocker]

Math w11 paper 42
https://www.dropbox.com/sh/wysp380kzomglz3/dWK4kAtBjt
Fully solved. Question 7, 6 and 5th can be considered difficult.

Ty

 

[Suchal Riaz]

summer 2010 paper 12 qp34

View attachment 39015

 

[snowbrood]

WAVES(AS)
i think that answer of q6 on page 8 is (d).Do confirm it!

well what a mediocre student like me thinks is that the intensity is max only if the polarizers(polarizers after the first one) are aligned according to the first polarizer to align it exatly like it u must do

i am sorry for my poor drawing.
I means intensityView attachment 38974

u just explained pi is correct which means both C and D are correct why is 5pi incorrect or 2pi correct according to u

 

[Suchal Riaz]

read the question again.
it says the first three times.
and if you are confused about polarizes read this: http://hyperphysics.phy-astr.gsu.edu/hbase/phyopt/polcross.html

well what a mediocre student like me thinks is that the intensity is max only if the polarizers(polarizers after the first one) are aligned according to the first polarizer to align it exatly like it u must do

u just explained pi is correct which means both C and D are correct why is 5pi incorrect or 2pi correct according to u

 

[Suchal Riaz]

Is option [A] correct?

is it wrong? yes i calculated it to be A

 

[Suchal Riaz]

Chemistry
W11/22
https://www.xtremepapers.com/commun...st-your-doubts-here.9859/page-382#post-746800

 

[chocolate_girl]

some of these so called worked solutions of hardest questions

These are not the past paper questions right?

 

[Suchal Riaz]

These are not the past paper questions right?

i haven't seen them in past papers from 2000-2013

 

[snowbrood]

These are not the past paper questions right?

i haven't seen them in past papers from 2000-2013

no they aint in past papers