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These are few questions asked by external examiner in our school in chem viva: 1. Chem formula of Sindoor. 2. Compound used for cleaning earrings.. 3. sag(spinach) me haldi (turmeric) kyun nahi dalte.. :D [3] me have chem pra ...

a uniform rod pivoted at its upper end hangs vertically It is displaced through an angle of 60° and then released Find the magnitude of force acting on a particle of mass dm at the tip of the rod when the rod makes an angle ...

pie=3.14159265358979323846264338327950288419716939937510 58209749445923078164062862089986280348253421170679 82148086513282306647093844609550582231725359408128 48111745028410270193852110555964462294895493038196 442881097566593 ...

if x=a(p+sin p), y=a(1-cos p) find dy/dx ans=tan p/2 i m not getting it.pls help dosto... ...

Derive the capacitance of concentric shells with radius a and b by taking charges Q and -Q on both the surfaces. Then electric field is found.. and then the work done is found... ...

All the three vertices of an equilateral triangle lie on the parabola y=x2 and one of its sides has a slope of 2,then sum of x coordinates of the three vertices of triangle is ___ ...

The diameter of the largest sphere that fis the void at the centre of cube edge of a BCC crystal of lattice parameter a, is? a)0.293a b)0.414a c)0.134a d)0.336a ...

two medians drawn from the acute angled vertices of a right angled triangle intersect at an angle 30 degrees.if the length of the hypotenuse of the triangle is 4 , then area of the triangle is ? ...

out of srm , manipal, vit and anna university which one is better... i have to fill one application form from the above.......... i live in chandigarh........... is it true that in these colleges there is discrimination betwe ...

In PCl5, all the P-Cl bonds are not identical-why? even tho there r no lone pair. >>>>> ?????/ is it due2 s p difference . but in hybridysation s an p combines an bcam sam in lengthhh .s ...

wat is meant by ambient temperature conditions? wat is calld a surfactant? ...

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Please help me out people. Charges flow only when there is a potential difference b/w two points. Also in a wire, there is a potential difference b/w two points only when there is an electric component b/w them. So in an ordi ...

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find the maximum velocity by which earth can rotate about sun in terms of G, mass of sun M, eccentricity of ellipse and semi major axis ...

I1=Π/6∫Π/3sinx/x I2=∫(same limits )sin(tanx)/tanx I3=∫(same limits)sin(sinx)/sinx give the relation between I1 I2 and I3 ...

so what do you think is the product . I don't know the naswer. what do you get when you treat papaverine with hot.dil.KMnO4. here's the structure http://en.wikipedia.org/wiki/File:Papaverin_-_Papaverine.svg ...

Q1 If μo and εo represent permeablity and permittivity of vacuum and μ and ε be the permittivity and permeablity of medium,then calculate refractive index of medium. Q2 In an npn transistor circuit,the collector current i ...

can any1 gimme some easy ways or some logic to remember the orders f thermal stability f carbonates? ...

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find dy/dx at x=e, y=e2x/logx a) (e-1)e2e/e b) o c) 1 d) (e2-1)e2e/e plz gv itz soln also itz a ques from some test here bt i cldn't solve it,so plz help..................... srry itz derivatives actually...........:) ...

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Q1)The value of ∫a1[x]f'(x)dx,a>1,where [x] denotes the greatest integer not exceding x is? Q2) If I1=∫01 2x2dx ;I2=∫012x3dx ;I3=∫12 2x2dx; I4=∫122x3dx then a)I1>I2 b)I2>I1 c)I3>I4 d)I3=I4 Pls explain th ...

*Image* for the arrangement shown in figure, the spring is initially compressed by 3 cm. when the spring is released, the block collides with the wall and rebounds to compress the spring again. if the time starts at the insta ...

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ax1+bx2+cx3+dx4=20 find the non negative integral solns for the the eqn .please explain??? How to find the coefficient of xr term in the expansion of (1+x)-20 ...

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Evaluate: 0∫πxtanx dx/(secx + tanx) ...

plz help me solve √tanx using 1st principle ...