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Pls explain y capacitance of a Parallel plate capacitor becomes Infinite when connected with metal rod in b/w. ...

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let f(x) be a quadratic polynomial with +ve integral coefficients and such that for every real a,b when b>a a∫b f(x)>0 also g(x)=f''(x)f(x) and g(0)=12 then a.total no. of quadratic polynomial is_____ b.f(x)=0 has rea ...

STATEMENT-1 : When a revolving electron jumps from higher orbit to lower orbit, then the magnetic field at the centre increases. and STATEMENT-2 : Magnetic field due to revolving electron is inversely proportional to n5, wher ...

Addition of chlorine to ethene is syn addition or anti addition? ...

Regioselectivity can be achieved when unsymmetrical ketones are used in directed aldol reaction by generating the kinetic enolate using LDA. This ensures the production of enolate in which proton has been removed 1. From less ...

What is the course bstat about? ...

The number of points of intersections when 6 circles and 5 lines intersect may be 1. 90 2. 110 3. 80 4. 120 ...

Gallium is an element of 13th group. It has very low melting point i.e., 30°C Ga (s) <--->Ga (l) Forward direction in this equilibrium is favoured by 1.High temperature and low pressure 2. High temperature and high pre ...

*Image* whats this C2 ???reading it first time .... is this same as HVZ reaction ??? ...

In an experiment of tossing of a coin 10 times 1)find the probability wen no two heads are consecutive........?? 2)if exactly four heads occur then probability wen all heads dont occur together is equal to..?? 3)for occurence ...

Consider an equation f'(x) ≡ ax2+bx+c = 0 If f(0) = f(-1) what will be the value of the limits in which roots of f'(x) lie ? Another question with this : limits of roots of f(x) = ? ...

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in which of the following decarboxylation takes place on simple heating ?? *Image* ans is 1,3 but why not 1,2,3 ?? ...

*Image* this is decarboxylation naa ??? but whats the final ans ...

i had a doubt regarding the mechanism of aldol say for example,of acetaldehyde.After OH- takes away an acidic hydrogen,the formed -CH2CHO attacks the C of C=O of another acetaldehyde mol but 1)isnt the reso structure of -CH2C ...

If z = \cos \frac{2 \pi}{n} + i \sin \frac{2 \pi}{n} , n \in \mathBB{N}; n \ge 3 define A = \{1,z,z^2,z^3,...,z^{n-1} \} B = \{ 1, 1+z, 1+z+z^2,...,1+z+z^2+...+z^{n-1} \} Determine A \bigcap{B} ...

PLease find the sum of the given series without using calculas--- co + c1/2 + c2/3 + c4/4 ..... +cn/n+1 It is not a doubt --- just found interesting ...

1+x+x^2+....x^{n-1} is a prime.... Prove 'n' is a prime. ...

(CH3)3 -C-COOH + (Red P, Br2) → ? ...

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sorry wrong post ...

Explain - why is Red Phosphorus more stable than white phosphorus? Which one of the following allotrope of Phosphorus conducts electricity: 1. White P 2. Red P 3. Black P 4. Violet P n.b. White is sometimes mentioned in probl ...

The hybrid state of S in H2SO4 has the hybridization ...

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dimethyl propanoic acid can be prepared easily from 2-chloro-2-methylpropane through a)grignard route b)nitrile route c)both d)none ...

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A stick of length L and mass M lies on a frictionless horizontal surface on which it is free to move in anyway. A ball of mass m moving with speed v collides elastically with the stick at a distance d below its centre. What m ...