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*Image* arrange the following alcohols in the increasing order of tendency towards esterification ...

soln of equation mod z - z =1 + 2i it seeeems easy quadratic type i replaced z by √x2 + y2 z by x + yi . but it seeems lil dufficult . answer is x = 3/2 y = -2 can witout quad this b solved >>>>>& ...

the potential decreases uniformly from V1 to V2 along x - axis in a coordinate system as one moves from ( - a,0) to (+a,0). The field at origin is (a) must be (V1 - V2)/2a (b) cannot be less than (V1-V2)/2a (c)must be smaller ...

a rope ladder with length `l` carrying a man with mass `m` at its end is attached to the basket of a ballon with a mass `M`.the entire system is in equilibrium in the air.find the work the man should do to ityclimb into the b ...

can anyone explain to me in detail about coriolis forces? ...

a lightning arrester is connected to the earth by a circular copper pipe.after lightning strikes,it is discovered that the pipe became a circular rod.explain this phenomenon. ...

find the temperature of a gas contained in a closed vesselif its pressure increases by 0.4%of the initial pressure when it s heated by 1*celcius ...

lim (cos1/2x - cos1/3x)/sin2x x→0 ...

when ice melts at 1°...will the enthalpy increase or decrease..,..answer given is enthalpy increases ...

A 5.00 g sample containing Fe3O4, Fe2O3 and an inert impure substance, is treated with excess KI solution in presence of dil H2SO4. The entire iron is converted into Fe2+ along with liberation of iodine. The resulting solutio ...

A five digit number is formed by using digits 1,2,3,4,5 without repetition.Find the number of the numbers,thus formed which are divisible by 4. ...

three plates A,B,C have charges Q1 Q2 and Q3 now there is said to be redistribution of charges...what will happen to the charges on each surface? ...

*Image* find flux through hemispherical surface in each case ...

Prove Sin(a+b)=sin(a)cos(b)+cos(a)sin(b) ...

let f(x)=x2-1,x≤1 nd f(x)=k(x-1),x>1 then a)f is continuous for only finitely many values of k b)f is discontinuous at x=1 c)f is differentiable only when k=2 d)there r infinitely many values of k for whi ...

There are N points in a Plane. All the points are joined with each other. Note that the line segments are made. The lines are not extended on either sides. They meet at a lot of points. What is the number of points where thes ...

given a parabola as: x=at2+bt+c and y=a't2+b't+c'. ..........so find the latus rectum..??? (this is objective question.. i dun have the options r8 now... so, sorry.) ...

A cricket eleven has to be chosen from 15 players of whom 6 can bowl and 3 keep wickets,while none of them can keep wicket and bowl.In how many ways can this be done if it is to contain at least 4 bowlers and 2 wicketkeepers ...

1/2+1/3+1/4.....+1/n is never an integer.. prove Hint: think of the largest prime! ...

two motor cars start from a point A simultaneously and reach at point b after 2hrs. The first car travelled half of the dist. ata speed of 30km/hr & the other half at a speed of 60 km/hr. The second car covers the entire dist ...

The conducting, concentric , hollow spheres A and B have radii a and b respectively, with A inside B. Their common potential is V. A is now given some charge such that its potential becomes zero. The potential of B now will b ...

diff tan-1[{√(1+x2)-1}/x] wrt tan[-1(2x√(1-x2)/(1-2x2)] at x=0... ...

Fiind area of the region: *Image* ...

How many 7 digit numbers are there,divisible by 8 which are formed by writing the digits 1,2,3,4,5,6,7(repetition not allowed) ...

Suppose we have three different toys and we want to give them away to 2 girls and 1 boy(one toy per child).The children will be selected from 4 boys and 6 girls.In how many ways this can be done???? ...

It gains heat, so its enthalpy increases. ...

lim ( 1- sin2x )/Î - 4x x->Î /4 ...

Why sin4x+cos4x has period Î /2 although f(x+Î )=f(x) ...

A solid sphere is rolling without slipping on the rough ground .it collides elastically with an identical sphere at rest.there is no friction between the two spheres .radius of each sphere is R amd mass is m. Ques: linear vel ...

two current carrying wires may attract each other.in absebce of other forces,the wires will move towards each otherincreasing the kinetic energy.does it contradict the face that magnetic force cannot do any work and hence can ...