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is cojugate base possible for [Al(H2O)6] if yes how???? ...

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Hey bitsat has already started.. how many of u guys are having centre at kolkata?? ...

The compound(s) formed upon combustion of sodium metal in excess air is(are) (A)Na2O2 (B)Na2O (C)NaO2 (D)NaOH ...

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If α,β are the two roots of the equation λ(x2-x)+5=0 such that, α/β + β/a =5 and λ1,λ2 are any two values of λ Find the value of λ1/λ2 + λ2/λ1 ...

Hey can someone pls explain this concept in simple words to me? I came across a formula saying time to empty tank is A/a 2H/g Wher A is area of tank,a is area of hole, H is ht of liquid . Can someone pls explain how this form ...

∫(tan x)1/3 dx ...

Could anyone please post a copy of all B.Stat Subjective Questions? ...

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A particle of mass 1kg is projected at an angle of 30 degrees with horizontal with a velocity of 40m/s. The change in linear momentum of the particle after a tym t=1s is.... ...

*Image* I THINK BOTH SHOULD BE FALSE...........! ...

If\ f(x)=\sqrt{1-sin(2x)},f'(x) equals\\\ \\ a)-(cos x + sin x) for\ x\in(0,\pi/4)\\b)(cos x + sin x) for\ x\in(\pi/4,\pi/2)\\c)-(cos x + sin x) for\ x\in(\pi/4,\pi/2)\\d)(cos x + sin x) for\ x\in(0,\pi/4)\\ ...

x=r cos θ y= r sin2θ ...

The sum of the square of the length of all the possible chords intercepted by the line x + y = n, for some n(belongs to N) on the circle x2 + y2 = 4 is what? ...

3 numbers are chosen from a set of {1,2,3...4n}...the number of ways of choosing such that the sum of them is divisible by 4..?? ...

*Image* All surfaces are smooth and frictionless. Force constant of spring is k. What is maximum compression of spring when system is released from rest? ...

the equation x- cosx =0 has a.exactly one root in (0,pi/6 ) b.exactly one root in (pi/6,pi/3) c.exactly one root in (pi/3, pi/2) d. has infinite solution in (0, pi/2) i tried to draw the graphs of y= cosx and y=x on the same ...

i saw iit brochure they r offering EE - Electrical engineering now is it related to ECE or EEE or both ?? how gud is it ? Where is it best? wat is order of EE ,ECE,EEE in terms of scope and career demand based on ranks toughn ...

If A and B are two matrices such that AB=A and BA=B then B2 equals (a)B (b)A (c)1 (d)0 Plz give soln also. ...

Q1.A boy is standing in an elevator accelerating upward throws a ball upward with a velocity v.The ball returns in his hands after a time t.The acceleration of the lift is - (a)2v-gt/t (b)2v+gt/t (c)v-gt/t (d)v+gt/t Q2.Two id ...

*Image* Wats is cap of this figure? ...

can sum1 tel me who is the chairman of the homi bhabha national institue ??? ...

Calculate the molar chloride concentration in a solution prepared by dissolving 1.12 L of hydrogen chloride in 2.5L of water at 298 k. Solute exist as a strong electrolyte & dissociates completely into ions. ...

a full wave rectifier is fed with ac mains of frequncy 50Hz .wats d fundamental frequncy of d ripple in d output cenetr 50 25 100 75 ...

a half wave rectifier is being used to rectify an alternating voltage of freqncy 50Hz d no of pulses of rectified currt obtained in one sec is 50 25 100 200 fromula ke saath answer do ...

d delpletion region in pn junction diode , d acceptor ions in d p region and d donor ions in d n region give rise to a)potential frm n to p b|)potential frm p to n c)xtraction of amjority charge carrires frm each region d)inj ...

think of a vertical semicircle(Ω).a square plate is at rest at the lower most position at t=0 n moves as such θ=1.5t2 wer θ is in radian n tym is in sec .a small object p of mass 0.4 kg is temporarly fixed to the plate wid ...

kinetic energy of a particle along a circle of radius r depends on the distance covered as T=ks2 where k is a constant.find the force acting on a particle as a f:n of s a)2k/s*√(1+[s/r]2) b)2ks√(1+[r/s]2) c)2ks√(1+[r/s] ...

a space is filled up with a charge with volume density ρ=ρoe-αr3, where ρo n α are positive constants , r is the distance from the center of this system.find the magnitude of the electric field strength vector as a funct ...