-
the new look looks gud! :D ...
-
Hey friends please tell me how JD Lee Concise Inorganic chemistry should be used for JEE preparation , I am asking this because this a very big book and require a lot of time , should I do the whole JEE Inorganic chemistry sy ...
-
How much ice will separate if a solution containing 25 g ethylene glycol C[2]H[4]OH[2] in 100 g water is cooled by 10 K?(molal depression constant=1.86 for water). ...
-
A transition of H-atom spectrum has wavelength 1032Ao.Find the transition.(n1 and n2) ...
-
Calculate the uncertainty in the velocity of a wagon of mass 2000 kg,whose position is known to an accuracy of ±10 metre. ...
-
How many times does the electrons go round the first Bohr's orbit of hydrogen in one second? ...
-
Find the volume of CO2 at NTP obtained on heating 10 gm of pure 90 % pure limestone how to proceed? ...
-
A body weighing 3x103kg is moving and its speed can be measured with an accuracy of ±0.0025 mile per hour and its position with an accuracy of ±0.01 mile.Is the uncertainty principle valid? ...
-
A particle is projected vertically upwards and reaches the maximum height H in time T. The height of the particle at any time t will be (a)g(t-T)2 (b)H-g(t-T)2 (c) g(t-T2)/2 (d)H- g(t-T)2/2 ...
-
Dear Sir, I recently joined Edudigm, and I also received my materials yesterday.But weekly test Question papers only are of physics(6-total). Am I going to get the other subjects later ? ...
-
Dear sir I have comepleted 1 year in NIT Bhopal Electrical Engineering. In my 2nd attempt, I got 306 marks in BITSAT 2012. My interest is in getting BE degree and later try for MBA. I am more interested in BITS PIlani campus. ...
-
while solving a question i got stuck here..!! (a0xn + a1x(n-1) + a2x(n-2) + ............... + an)(a0/xn + a1/x(n-1) + a2/x(n-2) + ............... + an) = (a0xn + a1x(n-1) + a2x(n-2) + ............... + an) + (a0/xn + a1/x(n-1 ...
-
The inequation is (2x + 3) ( x - 1) / ( x - 2) ≤ 0 The critical points are -3/2 , 1 ,2 . I know how to locate them on the number line and I also know how to write the signs. But I don't know how to go about in writing the s ...
-
\hspace{-16}\bf{\int\tan^{2}(x).\sin^{-1}(\tan x-x)dx} ...
-
A body of mass 10 kg is being acted upon by a force 3t2and an opposing constant force of 32N.The initial speed is 10ms-1.The velocity of body after 5s is (a)14.5ms-1 (b)6.5ms-1 (c)3.5ms-1 (d)4.5ms-1 (According to me, accelera ...
-
A point mass starts moving in a straight line with constant acceleration.After time to the acceleration changes its sign,remaining the same in magnitude.Determine the time t from the beginning of motion in which the point mas ...
-
Mathematics for IIT-JEE 2012-2013: Algebra http://goo.gl/jVO7E Is it good enough? ...
-
If: tan3A/tanA =k,then sin3A/sinA = a) 2k/k-1 b) 2k/k+1 c) k-1/2k d) k+1/2k Plz help me with this one. ...
-
if f(x - 1) + f(x + 1) = √3 f(x) then prove that f(x) is periodic with period 12` ...
-
An ant is at a corner of a cubical room of side a.The ant can move with a constant speed u.The minimum time taken to reach the farthest corner of the cube is (a) 3a/u (b) 3 a/u (c) 5 a/u (d) ( 2 +1)a/u (According to me, if th ...
-
If the pth, qth, rth terms of GP are a , b , c respectively prove that aq-rbr-pcp-q = 1 How to proceed? ...
-
What does oxoketomethyl benzene when treated with NBS in presence of CCl4 yield?I am not sure about the nomenclature(sorry) but the structure shows a benzene ring with -OCOCH3 at the 1-position and a double bond between the 2 ...
-
haloalkanes are slightly soluble in water as we dont get the energy to break the C-Cl bond as it has partial double bond character. But what if we heat the beaker where reaction is taking place. would it then be soluble? ...
-
Please integrate ∫(x^2 + 1)/(x^4+x^2+1) dx ...
-
Let AN be any line drawn through A in a Triangle ABC. Let BM, CN perpendiculars are drawn from B and C to AN and let D be the mid-point of BC, prove that MD = ND. ...
-
Consider a n*n chessboard. A person moves along the lines of the chessboard such that the sum in the y axis is greater than or equal to the sum in the x axis. Find the number of ways of going from one corner to the other corn ...
-
\hspace{-16}$If $\bf{p(x)}$ is a Quadratic Polynomial with Real Coeff. satisfying\\\\ $\bf{x^2-2x+2\leq p(x)\leq 2x^2-4x+3\;\forall x\in \mathbb{R}}$ and $\bf{p(11)=181}$\\\\ Then $\bf{p(2012)=}$ ...
-
1)A positive integer n is called “FLIPPANT†if n does not end in 0 (when written indecimal notation) and, moreover, n and the number obtained by reversing the digits of n are both divisible by 7. How many FLIPPANT integer ...
-
If z=(3+7i)(p+iq) where p,q E I-{0}' is purely imaginary ,then minimum value of |z^2| is? Ans 3364 please explain how you have solved it ...
-
using cross formulas, which of the following compounds are chiral? a) 1 chloropentane... b) 2 chloropentane... c) 3 chloro 2 methyl pentane d) 2 bromo 1 chlorobutane ...