Recently Active Questions

find the locus of the the point of the intersection of the normals to the parabola x2=8y which are at right angles to each other . ...

Imagine I am running with a velocity "v". So my kinetic energy wud be E=1/2mv2. Now according to Einstein, we know that E=mc2. Now equating both, we get 1/2mv2=mc2 ==> v=√2c tht means im even faster than light........... ...

a mass lying on an inclined plane of inclination θ is connected to an equal mass ,hanging vertically ,through a massless string , passing over a frictionless pulley. find the limits of θ, in terms of angle of friction β fo ...

1] the expressions 1+x , 1+x+x2 , 1+x+x2+x3 ,...........,1+x+x2+x3+.................+xn are multiplied together and product of the terms thus obtained are arranged in the increasing powers of `x` in the form of a0+a1x+a2x2 +. ...

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where to study about dyes from ....? i read the brochure ....its there in the syllabus .... can nybody temme sum book or sum link tht precisely givs me only the things reqd... ...

*Image* I THINK THE ORDER SHUD BE *Image* AM I CORRECT?????????? ...

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*Image* i think that following are the asked compounds and groups *Image* am i correct?????????????? ...

the potential of a certain electrostatic field has the form a. φ= a(x2+y2)+bz2 what shapes have the equipotential surfaces hsve , in the following cases: 1.a>0 b>0 2.a>0 b<0 ? please give an explanation also ! ...

How many different signals can be made by hoisting 6 differently coloured flags one above the other ,when any number of them may be hoisted at once? The answer i got is 514800........tell me whether im correct or not. ...

*Image* I THINK THERE WILL BE NUCLEOPHILIC SUBSTITUION AND WE WILL GET FOLLOWING PRODUCTS *Image* AM I CORRECT?????????????? ...

In a sample of the non-stoichiometric crystal Fe0.96O , the percentage of cationic sites occupied by Fe3+ ions is A) 8.0 B) 6.0 C) 4.0 D) 2.0 ...

the angular speed of rotation of the earth about its axis in degrees per hour is a) 7.27x10-5 b)4.17x 10-3 c)0.1 d)15 ...

k for reversible reaction is 3.2 if velocity constant of the forward reaction is a,12x10-3 velocity constant of br is ans is,2.86 x 10-4 how,,plz xplain ...

Find the least positive integer n such that any set of n pairwise relatively prime integers greater than 1 and less than 2005 contains at least one prime number. ...

*Image* i think this may be the product *Image* am i correct????????????? ...

Q.1 for small osscillations find the angular frequencyof the system.. ANS. ω=b√k/c√m Q.2 a ball is a solid sphere of radius r n is in pure rolling on M.find the period of oscillation . ANS. T= 2π√(1+μ2)(R-r)/√mgr2 ...

Consider f(x)= ax2+bx+c, for |x|≤1. a,b,c are real numbers. If |f(x)| ≤1, find the maximum value of |2ax+b|. ...

two wires carrying equal currents is placed prependicular to each other .one is fixed n one is free to move wat kind of motion ll result? ...

the magnetic field inside a tightly wound long solenoid is b=μni .it suggests field does not depend on the length of solenoid .if we add more loops at the end of solenoid the field shud nt increase .explain qualitatively why ...

The grandfather paradox: if a time traveler were to kill his own grandfather before his father was conceived, thereby preventing his own birth. [3] What will happen ...

plz tell whether IUPAC allows use of iso,sec,tert,neo for unsubstitued radical or not. wat's the truth i m totally confused (some books say yes......n some people say no.....) ...

If there were no atmosphere the average temperature of the earth's surface would be... a. lower b. greater c. same as now d. can't say ! ...

*Image* i think (i)neopentane (ii)n-pentane (iii)2-Methylbutane am i correct?????????????? ...

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A pendulum bob of mass 80mg and carrying a charge of 2 X 10-8 C is at rest in a uniform,horizontal electric field of 20kV/m . Find the tension in the string. ...

1.Prove that any number, with zeros standing in all deci- mal places numbered 10n and only in these places, is irrational. 2.Do we have problems related to humidity and saturated pressure in iit-jee?(i know jee can ask any ki ...