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Search results
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Physics: Post your doubts here!
The question will tell you that. :S Give an example of a question that confused you. -
Chemistry: Post your doubts here!
So if you know the answer and the explanation, why would you ask? :O -
Chemistry: Post your doubts here!
Your concept of successive ionistation energies is probably not correct. There is a sharp rise in ionisation energy when the shell number or the quantum number changes, and the difference b/w 5 and 6 is quite large to show that 6th I.E is of an electron from the next shell. So this atom has 5... -
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Further Mathematics: Post your doubts here!
Mind the writing! Did it really quickly -
Further Mathematics: Post your doubts here!
You'll need to just use different limits. To find the n number of ODD integers you'll use 2n integers because n number of them will be even. So use 2n for the sum of all integers and then subtract sum to n of positive integers that will be represented by 2r. Here, I have solved it for you... -
Further Mathematics: Post your doubts here!
Subtract the sum of positive even integers from the sum of squares of all integers in such a way: Σr²-Σ(2r)² and find the answer. Didn't get the second question. Mod 11 as in |11|? -
Physics: Post your doubts here!
Use the momentum equation m1v1+m2v2=m1u1+m2u2 The initial velocity is 0 while the final direction of the final velocities is opposite to each other as the masses move away so we will use a negative sign. M1V1-M2V2=0 M1V1=M2V2 V1/V2=M2/V2 Hence, answer is B. -
Chemistry: Post your doubts here!
16 and 17 are simple concepts that you need to learn, just check out the respective chapters to clear them up. Q18. For this question, you just need to calculate the mole ratios and convert them to mass as following. Write the respective equations: NaCl->Na+ + Cl- 2Cl- -> Cl2 2H+->H2 Na +... -
Chemistry: Post your doubts here!
Your concept for this molecular energy distribution is not correct. With a catalyst, the number of molecules possessing energy that is equal to or more than the activation energy also increase. In this graph the Y axis represent the number of molecules, not the energy, and line X is the... -
Further Mathematics: Post your doubts here!
Can you please check if you wrote the correct identity. This one doesn't even stands true for n=1. -
Am I taking too many subjects?
It won't be tough, hopefully! 3 is the minimum number of subjects in our part of the world, and so acing 3 subjects is a regularity for Pakistani students. -
Chemistry: Post your doubts here!
I.A= Initial Amount A.R= Amount Reacted A.F= Amount Formed E.A= Equilibrium amount Btw, your equation is wrong, you have missed out H2O and that mus have been the cause of problems. -
Further Mathematics: Post your doubts here!
Actually it was 2 that I intended to write. I noticed it when I uploaded the question, but it wasn't worth correcting. :P You understood it anyways, and I knew that you will. -
Further Mathematics: Post your doubts here!
@abcde: here is the second question: -
Further Mathematics: Post your doubts here!
Agreed. It is a geometric progresstion and in the formula you have to multiply with the first term. Hence, you are right. -
Further Mathematics, whether or not I should take it.
Don't take Further Maths, unless you secure an A* in Mathematics and atleast an A in additional maths. I have the same combination as yours: Physics, Chemistry, Biology, Maths and Further Mathematics. Sincerely speaking, Further Maths is much more challenging than any other subject you would... -
LUMS
For the LUMS batch that starts in September 2013, you can even give your final A'level exams in May/June 2013. You don't require the result to apply, but you'll need it once you are accepted and you can submit your result anytime by August 2013.- OakMoon!
- Post #24
- Forum: General University Discussion
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A level for MCAT
Just go to the book stores section of the Main market and you'll find good enough books.