Recently Active Questions

What is the use of heavy resistance R2??? Please rply....quite urgent... *Image* ...

Did anyone get confirmation regarding the aieee application form ? ( http://aieee.nic.in/aieee2010/aieee/Online/AieeeAppStatus.aspx ) ...

What will happen if trybutyltin hydride reacts with a halogen in presence of Me2C(CN)-N=N-C(CN)Me2? Can cyclisation occur?? Is the double bond(if present) affected? ...

is it only the +I effect of 2 methyl groups on nitrogen that makes N,N- dimethylpicramide more basic than picramide....???? Or some other effect also??? ...

the number of ordered pair (a,b) such that (a + ib)^2010 = a - ib is??? ...

Will there be any impulse if the angular momentum changes??? ...

Could anyone post the questions please? I am told it was held today. ...

A steady non- turbulent stream of water comes out of a tap and falls vertically downward. As it does so, the diameter of the stream appears to get smaller, what is the reason? ...

*Image* A heaps of chain is lying on a horizontal table. A small section of the chain is released through a hole in the table. Calculate the velocity as a function of the length of the chain hanging vertically. A. √(2gx/3) ...

if a charged particle is projected with velocity v in a region o f electric and mag fields, v, E and B perpendicular to each other...what will happen f E is switched off for some time and then again switched on??? ...

Let A= \begin{bmatrix} 3 & -4\\ 1 & -1 \end{bmatrix} if det. (A+A^2+A^3......A^n)=64, then what is the value of n??? ...

Q) Let S1 and S2 be foci of an ellipse of equation : (x^2/a^2)+(y^2/b^2)=1 Locus of reflection of S1 with respect to any tangent to the ellipse is : a) circle b) parabola c) ellipse d) hyperbola ...

A MAN IS STANDING ON A WEIGHING MACHINE WHICH READS ZERO.HOW DO WE KNOW IF THE MAN IS INSIDE A FREELY FALLING LIFT OR IN A SATELITE. ...

1) ∫(tan(pi/4-∂))/sin∂cos∂√(1+tan∂+cot∂) d∂ = -2tan-1√f(∂) + c. Then Minimum value of f(∂) is Opts - 4, 2, 6, 3 2) f(x) and g(x) are two real valued functions. Find the no. of solutions of equation ∫f( ...

a bag contains 10 white and 10 black balls. a person draws 2 balls at a time without replacement and repeats the process till bag is empty. what is the probability that he draws the balls of same colour each time? ...

Q1,2 *Image* Q3 *Image* ...

A plane mirror is placed 25cm away frm a spherical concave mirror (R=40cm) perpendicularly to the principal axis of the concave mirror. Where is a candle placed, if its images formed by the two mirrors independently are at th ...

Qn. - Find the structure of compound "D"................ But fr tht we have to find A,B,C obviously....!! :P *Image* ...

Single Option Correct. 1) An aqueous sol.n of MCl2 containing excess KCN, when treated with H2S will precipitate MS only if "M" is- A) Ni B) Co C) Cu D) Cd 2)A mixture of 2 colourless substanceswas dissolved in water. When ga ...

Each entry of Column 1 can be matched with one or more than 1 entries of Col. 2. Column 1 Column 2 A) B2H6 P) Can act as lewis acid B) BF3 Q) Intramolecular lewis acid-base interaction C) ICl3 R) Nonpolar D) SiF4 S) Nonplanar ...

f:R→R be twice diff fn satisfying f"(x)-5f'(x)+6f(x)≥0 for all x≥0.If f(0)=1,f'(0)=0 and f(x) satisfies f(x)≥a.h(bx)-b.h(ax) for all x≥0,then find (a+b).h(0) i understood BT's soln...but i am looking for shorter met ...

Good an' simple --- try this one --- Given four distinct numbers in the interval (0,1) , show that there exists 2 numbers among them x and y , such that ------ 0 < x \sqrt{1 - y^{2}} - y \sqrt{1 - x^{2}} < \frac{1}{2} ...

till now i have given my BT tests offline but from now onwards i want to give my remaining tests online. I want to know how to get the id and pass required for online examination. i tried my doubt letter id and pass but it di ...

i feel that the question has some printing errors i am typing the question as given in the book consider \ the \ sequence \ x_n \ defined \ by \ \\ x_1 = \frac{1}{2} ,x_{n+1}=x_n^2 + x_n \\ define \ S = \frac{1}{x_1 +1}+\frac ...

*Image* the marked pulley has mass and is going down with a=13...now please write the equations relating the acceleration of various masses and the pulley!!!! ...

got this question frm goiit.com but din get its solution....pls temme the approach to such problems Q-A boy throws a ball upwards with a velocity 20m/s.The wind imparts a horizontal acc. of 4 m/s^2 to the left.The angle @ at ...

Which of the following set of quantum numbers is impossible for an electron? n=1,l=0,ml=1,ms=+1/2 n=3,l=2,ml= -3,ms=+1/2 ...

A rope with length L and mass density σ kg/m hangs over a massless pulley. Initially, the ends of the rope are a distance x0 above and below their average position. The rope is given an initial speed. If you want the rope to ...

why the first one can show iodoform test but not 2nd one *Image* ...

wht iz the str of L glucose ...