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Consider cylindrical region of the magnetic field shown in figure. region 1 and region 2 have magnetic field directed perpendicularly outward and inward respectively . fields are varying with time as region1 :B=3kt region 2:B ...

We're looking at the reaction: RCl + OH- → ROH + Cl- (R being the (CH3)3C-radical) The reaction is supposed to follow the mechanism: RCl → R+ + Cl- (k1 forward reaction; k-1 backward reaction) R+ + OH- → ROH (k2 forward ...

a 20 cm long capillary tube is dipped into water . the water rises up to a height of 8 cm .if the entire arrangement is put in a freely falling elevator ,the length of the water column in the capillary tube will be .......... ...

its december and I have completed my preparation once. But now I am confused as to what to do. Go through the whole syllabus again?? Do question banks only??? Spend some studying for the pre-boards?? Someone, I desperately ne ...

The quadratic polynomial has the following properties : p(x) ≥ 0 for all real no.s , p(!) = 0 & p(2) = 2.Find the value of p(0) + p(3) Ans : 10 (I wan't solution) ...

[ These qs r too easy I agree but there r some crunches in the ans given So i din't dare to take risk] Which of the following functions of A & B is possibility correct if A & B possess diff dimensions? (A) A/eA/B (B) B/log(A/ ...

(1) The maximum value of (\sqrt{-3+4x-x^{2}}+4)^{2}+(x-5)^{2} (where 1\leq x\leq 3 ) (Not by using Trigonometry). ans = 36 ...

A capillary is dipped in water vessel kept on a freely falling lift, then a)water will not rise in the tube b)water will rise to the maximum possible height of the tube ...

If ax2 - bx + c = 0 have two distinct roots lying in the interval (0,1), a, b, c ε N, then prove that log5(abc) ≥ 2. ...

MULTIPLE ANS QS Select the incorrect statement(s) : (A)Tom pushes Jerry with a force of 100N If Jerry accelerates , the force exerted by Jerry on Tom will be less than 100 N (B)Newton's first law can be derived from 2nd law ( ...

I have Resonance Test Series if anyone is giving tests ONLINE of any other institute and is willing to exchange test series as a whole with Resonance Test Series can contact me. I want test papers in pdf file only!! Others al ...

What is the n-factor of Fe2(SO4)3 in the following reaction: Fe2(SO4)3 --> FeSO4 + SO2 ? ...

lxl= 1-t2/1+t2 y= 2t/1+t2 tε[-1,1] ...

COMPREHENSION let f(x) and g(x) are two distinct functions such that f(x) is an odd function and g(x) is an even function for all X ε R . Let a function h(x)=f(x) +g(x) is an odd function and φ(x)=f(g(x))+g(f(x)). NOW ANSWE ...

Q1 which can be used as solvent in friedel craft reaction a)nitrobenzene b)toulene c)phenol d)toulene Q2 T/F a)energy (hybrid strucuture) less than resonance strucutre b)resonance energy=diff in enthalpies of formation of mol ...

plz solve this one : [1] *Image* q2 try this one also its not my doubt but wanted to share if log(\frac{1}{1+x+x^2 +x^3 }) is expanded on the ascendind powers of x then prove that coefficient of xn in the expansion is \frac{- ...

Q1 x-y=1/3 and cos2(πx)-sin2(πy)=1/2 Find all solns (x,y) Q2 cos(x-y)-2sinx-2siny=3 iff ?? Q3total integral values of n such that sinx(sinx+cosx)=n has atleast one soln Q4 i=1Σn(sinθi+cosθi)≥n. 2 find i=1Σn(tanθi+cot ...

Let p be the product of the non real roots of the eqn x4 - 4x3 + 6x2 - 4x = 2008 where [*] denotes the greatest integer function , then find [P] ...

A galvanometer is to be converted into an ammeter or voltmeter.In which of the following cases is the resistance of the device maximum : (a)Ammeter with range 10 A (b)Voltmeter of range 5V (c)Ammeter of range 5 A (d) Voltmete ...

Multiple Ans QS A parabola of the form y = ax2 + bx + c with a>0 intersects the graph of f(x) = 1/(x2 - 4) No of possible distinct intersections of these graph is (A) 0 (B) 2 (C) 3 (D)4 ...

in a given system of units 1 unit of mass = 2Kg , i unit of length = 5 m & i unit of time = 5 sec Then , in this new system , 2 N =? ...

find the value of x satisfying \int_{0}^{2[x+14]}{\left\{\frac{x}{2} \right\}}dx=\int_{0}^{\left\{x \right\}}{\left[x+14 \right]}dx wer [.] is gif and { } fractional part of x this is an easy one but my ans not matching[2] ...

The values of x for which the equation , 2 sin-1(sin x/2) = x is valid? (A) for all x (B) -1≤x≤1 (C) -∩≤x≤∩ (D) -∩/4≤x≤∩/4 ...

some of my friends are confused with percom so i want all here help them out with theory and problems alike......some are starting now...can nishant bhaiya help??? ...

Nine hundred distinct N-digits numbers are to be formed by using 6,8,and 9 only.The smallest value of N for which this is possible is a) 6 b)7 c)8 d)9 ...

If x = z√(1 - y2) + y√(1 - z2), find the minimum value of (x + y + z)(x - y + z)(x + y - z)(-x + y + z). ...

1) if z1,z2,z3,z4 are roots of equation a0z4+a1z3+a2z2+a3z+a4=0 1) *Image* are also roots of the equation 2)z1 is equal to atleast one of *Image* 3) *Image* are also roots of equation 4) none of these multiple correct please ...

Helium can be excited to 1s12p1 configuration by supplying 33.12×10-19 J of energy .The lowest excited singlet state 1s12s1 lies 5000 cm-1 below 1s12p1 state . what should be the average He-X bond energy so that HeX2 could f ...

1) Find \lim_{x\rightarrow0}{{\left( \frac{1^{x}+2^{x}+3^{x}+.....+n^{x}}{n}\right)^{1/x}}} 2) Find \lim_{n\rightarrow(infinity)}\frac{1^{k}+2^{k}+3^{k}+........+n^{k}}{n^{k+1}} ...

Find Minimum Value of the expression x2+2y2+2xy+6x+2y is ...