Recently Active Questions

A cube of ice is floating in a liquid of relative density 1.25 contained in a beaker. When the ice melts , the level of the liquid in the beaker A)rises b)falls c) remains unchanged d)falls at first and then rises to the same ...

Q1 T/F [Co(NH3)6]Cl3 gives 2 moles of Cl– which react with AgNO3 to form 2 moles of AgCl. Q2Which of the following exist as dimer (A) Al(CH3)3 (B) CH3Li (C) Si(CH3)4 (D) Be(CH3)2 Q3Formation of complex involves (A) exotherm ...

*Image* + (i) Hg(OAc)2/HOH/THF ---> ?? (ii) NaBH4/NaOH There will be anti addition of water or syn addition ?? ...

*Image* A fountain consists of a small hemispherical rose (sprayer) which lies on the surface of the water in a basin, as illustrated in the figure. The rose has evenly distributed small holes in it, through which water spurt ...

find the domain of f(x) f(x)=cos-1 1+x2/2x + sin(cosx) please help!! ...

Vapour Pressure of 0.01molal sol.n of a weak base BOH in water at 200C is 17.536mmHg. Calculate "Kb" for the base, given that Aqueous Tension at 200C is 17.540mmHg. (Also assume the base's molarity & molality to be the same.) ...

anyone recieved ISAT2010 and AIEEE2010 admit cards ?????? ...

PLS ATLEAST HAVE A LOOK CALCULUS BEGINNERS http://www.plu.edu/~heathdj/java/calc1/Epsilon.html ...

Pls comment about the level of BT's home based simulator test series. Is it good enough for practise? or fiitjee's better? I have this yr and last yr's BT simulator test series and last yr's RTPF....which shd i practise? ...

Is there any formula to calculate structural isomers,geometric isomers(cis-trans) like we have studied for optical isomers ? ...

Q1. \textup{If A=}\begin{bmatrix} a & b & c\\ b & c & a\\ c & a & b \end{bmatrix}\textup{, where a,b,c}\; \epsilon \; R^{+}\textup{ and abc=1,}\; A^{T}A=I\textup{, then }a^3+b^3+c^3\textup{ is} (a) a+b+c (b) a+b+c+3 (c) 3 (d) ...

Example 9.4 - Suppose while sitting in a parked car, you notice a jogger approaching towards you in the side view mirror of R = 2 m. If the jogger is running at a speed of 5 m s–1, how fast the image of the jogger appear to ...

Q1. Zero magnetic moment of K2NiF6 is due to (a) Low spin Ni(IV) d6 (b) High spin Ni(IV) d6 (c) Low spin/ high spin not applicable (my option) I feel that question is wrong as given in JD LEE that the compound is intensely ye ...

editedIn a rectangular room (a cuboid) with dimensions 30x12x12 , a spider is located in the middle of one 12x12 wall one foot away from the ceiling. A fly is in the middle of the opposite wall one foot away from the floor. I ...

Monochromatic light of wavelength 400 nm and 560 nm are incident simultaneously and normally on double slits apparatus whose slits separation is 0.1 mm and screen distance is 1m.Distance between areas of total darkness will b ...

The energy released by the fission of uranium nuclei would be higher if the uranium nucleus split into three parts rather than into two parts. Despite this, the fission of uranium only produces two nuclei. Why is this? ...

S1 : For the reaction : O3 \Leftrightarrow O2 + O O + O3 \rightarrow 2O2 (slow) --------- 2O3 \Leftrightarrow 3O2 The molecularity of first step is 1 and that of second step is 2. S2 : O(g) is an intermediate and rate of reac ...

The locus of the mid-point of the line segment joining the focus to a moving point on the parabola y2 = 4ax is another parabola with directrix : ? [Show your working...I've found the midpoint of the segment in terms of parame ...

1) Find the value of y(log4), if y2 -7y1 +12y=0, given that- y(0)=2 & y1(0)=7. 2) :: Done :: If a function f(x) satisfies- i) f(x+y)= f(x).f(y) ii) f(x)= 1 + x.g(x), where Lim(x→0) g(x)=1. Find the value of logf(8). (Ans - ...

Wikipedia (http://en.wikipedia.org/wiki/Integration_by_parts) mentions LIATE rule to be followed when integrating by parts,whereas I have studied ILATE rule. Which is appropriate method ? ...

*Image* ans is a) but shouldnt it be b ???? ...

can u prove that 0!=1 heres a way, post other methods u know n!=n(n-1)! (n-1)!=n!/n sub.n=1 hence 0!=1 ...

Q: A light rod is placed on a smooth horizontal surface . Initially , the end A begins to move vertically upward with constant velocity v0 and centre of the rod upward with a velocity v0/2 having downward acceleration a0/2 , ...

What is d cosine of angle of intersection of the curves: y=3x-1 logx and y=xx-1... ...

A hypothetical reaction, 2X + Y2 ------> 2XY X + X \Leftrightarrow X2 (fast) X2 + Y2 \Leftrightarrow 2XY (slow) then the order of the reaction is A. 1 B. 2 C. 3 D. undefined ...

Q1 how many isomers?? *Image* Q2 acidic order? *Image* ...

*Image* i've marked d... ...

:: Single option Correct :: 1) A metallic element crystallises into a lattice containing a sequnece of layers of ABABAB.. Any packing of spheres leaves out voids in the lattice. Percentage of Empty Space (by Volume) is - a)52 ...

*Image* Ideal fluid flows along a flat tube of constant cross-section, located in a horizontal plane and bent as shown( in figure is the top view ) . The flow is steady. Are the pressures and velocities of the fluid equal at ...

I give the power to you to vote the BEST OF THE TWO BOOKS that I'm listing down for CLASS XII MATHEMATICS (a slight change in the thread (the earlier was calculus : http://www.targetiit.com/iit-jee-forum/posts/help-required-1 ...