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The basicity of acid produced in hydrolysis of B2H6 is -- A.4 B.3 C.2 D.1 ...

*Image* two thin circular discs of mass 2kg and radius 10cm each are joined by a rigid massless rod of length 20cm. the axis of the rod is along the perpendicular to the plane of the disc through their centres. this object is ...

Q. Is a slow process always isothermal ? ...

Q. A rigid container of negligible heat capacity contains one mole of ideal gas. The temperature of the gas increases by 1 C if 3.0 cal of heat is added to it. The gas may be— a.Argon b. Helium c.nitrogen d Oxygen ...

*Image* find the aswers.. reat the questions as 1,2,3 respectively.. ...

how many ml of 0.1M HCL are required to rct comp with 1gm mixture of Na2CO3 and NaHCO3 containing equimolar solutions of both?? PLZ explain ...

A Satya's Corner tpe of question!!! What is the value of log\left[(x+1)^{2} \right] at x=-2009??? Aragorn and Anirudh say: It is 2log\left[-2009+1 \right] and thus undefined as the thing inside is negative... Earendil and Ilu ...

let a1,a2,a3 be a sequence of real no.s such dat an+1 = an + (an^2 + 1)^1/2 then LIM n-> ∞ (an/2n-1) is 1. 1 2. 0 3. -1 4. 2 ...

SUM1 help me wid this......... \int dx/\sqrt{sin^3xsin(x+\alpha )} ...

This is a tricky ques found in most books.But i enjoyed solvin it so here it is. Two trains each having a speed of 30km/hr are heading towards each other on the same straight track.A bird that can fly at 60km/hr flies off one ...

let tanθ= limx-0 (cosx+sinx/cosx+sinx.cosx)^{cosecx} then, θ=? a)pi/2 b)pi/3 c)pi/6 d)pi/4 ...

∫√tanx=? ...

*Image* ...

this is a really basic and easy question but i wud like some different and interesting answrs...... Y du aryl hallides dont undergo S[n]1 mechanisms?? ...

if in a compound , both methyl and hydride shift are possible from the same carbon atom........then which is more likely to take place???? ...

Either you will have this in a trice or you will slog it out for several minutes: Evaluate \int_0^1 \frac{(x-b)(x-c)}{(a-b)(a-c)} + \frac{(x-c)(x-a)}{(b-c)(b-a)} + \frac{(x-a)(x-b)}{(c-b)(c-a)} \ dx ...

Q. When we heat an object, it expands. Is work done by the object in the process ? Is heat given to the object equal to the increase in its internal energy ? ...

Take a square of side \ell , and remove the "middle'' square (1/9 of the area). Then remove the "middle'' square from each of the remaining eight squares, and so on, forever. Let the final object have mass m . Find the moment ...

a bag contains 3 red 4 white balls and another ball contains 4 red 3 white a die is cast if face 1 or 3 turns up a ball is taken from the first bag and if any other face turns up . a ball is taken from second bag find the pro ...

∫ (√1+x4)dx/(1-x4 ) And haan answer in x and functions only! Ya this sum is xeroxed one so dont be surprised if u si dis in a book ! :-D ...

I have been sitting on this problem for an hr but it will be simple for u guys........ My brain hasn't been working too well after spending 5 days reading biology!!! \int (3x-2)\sqrt{x^{2}+x+1} ...

two person Aand B throw a coin alternatevely till one of them gets ' head' and wins the game. find the respective probabilities of winning ...

3 can be written as 1+1+1 2+1 1+2 3 (4 ways..) In how many ways n can be written.. _________________ I think I posted this one earlier... in some post...(Nisahnt bhaiya gave the answer but not the method...that time...(sayad. ...

1. If 2 no.s x and y are chosen from the set of natural no.s, then probabilty that x^2 +y^2 is divisible by 5 is..... 2. If sum of two positive integers is 2n , then the probabilty that their product is grtr than 3/4th of the ...

what is the energy *Image* stored in the capacitor between the terminals a and b of the network shown in the figure ...

Jus wanna say why is privacy being set by everyone.Then how do we share our questions n solve them!!!!!!!!!!! ...

1. if n is an odd integer (≠1) and -Π<x<0 . Then the solution of the equation cos nx - sinnx = 1 . is given by (a) -Π/6 (b) -Π/4 (c) -Π/3 (d) -Π/2 ...

Let P be a point on the ellipse \frac{x^2}{a^2} + \frac{y^2}{b^2} = 1 ,in the first or second quadrants,if the foci are S1 and S2,what is the minimum circum radius of \Delta PS_{1}S_{2} ? A) ae B) be C) ae/b D) ae2/b ...

Take a (one-dimensional !) rod of length \ell and remove the middle one-third. Then remove the middle one-third of the remaining two pieces, then remove the middle one-third of the remaining four pieces, and so on forever. Le ...

Book: Inegalitati; Authors:L.Panaitopol,V. Bandila,M.Lascu i already gave one more from this book Let x,yε R. Prove that if m and n ε N and of the same parity we have: a] \frac{x^m+y^m}{2} \frac{x^n+y^n}{2} \leq \frac{x^{m+ ...