Recently Active Questions

When there is 1 pos. & 1 neg. charge we are sure that the dir. of the electric field is from (+)ve to (-)ve.. But when both are positive or both are negative how exactly do we find the direction ?? ...

*Image* ...

Consider a uniforml charged ring of radius R. Find the point on the axis where the electric field is max ? ...

*Image* Q.1 find the workdone in moving a point charge 2nC frm A to B , if y=6 cm , x= 8cm , q1= 20/3 , q2= -20/3. Q.2 three identical metal plates with large surface areas r kept parallel to each other as shown. the leftmost ...

two wires carrying current may attract each other .in absence of other forces they ll move towards each other wid increasing kinetic energy.does it contradict wid the fact ttht magnetic field does no wrk n hence cant increase ...

consider a long,straight wire of cross section a carrying current i .let there be n free electrons per unit volume .an observer places himself on a trolley moving in direction opposite to current with a speedv=i/nAe n separat ...

a charged metal sphere with potential V and radius r is enveloped by a thin walled conduction spherical shell of radius R . The potential of the sphere after it has been connected for a short time to shell by a conductor will ...

There are two tanks of same height h3, and pressure in both the tanks are maintained at p1 and p2 respectively, where the liquids are filled upto h1 and h3., there is a pipe connecting the two tanks from which the liquid come ...

a charge q is distributed uniformly throughout a non conducting shperical volume of radius R. show that the potential at a dist. a frm the centre where a < R , is given by V = q(3R2 - a2)/8πεo R3 ...

*Image* ...

NAME OF THE BOOK ORIGINAL OFFERED 1) NCERT PHYSICS XI PART -I 85 50 2) NCERT PHYSICS XI PART -II 60 40 3) NCERT CHEMISTRY XI PART -I 100 50 4) NCERT CHEMISTRY XI PART -II 70 40 5) NCERT MATHS XI 115 70 6) JPNP OBJECTIVE PHYSI ...

WHAT DO U MEAN BY SOLVATION OF IONS(EXACTLY)??????????? ...

prove that there exists a triangle which can be cut into 2005 congruent triangles ...

find out d next term in series 2,5,14,122,365 a1029 b 1094 c 1059 d 1000 ...

there are two concentric bodies of same mass one sphere of radius R and other concentric shell with radii R . the outer shell has a tiny hole in it so that samll particle can penetrate it . A small particle of mass m is relea ...

1. 80 g of oxygen contains as many atoms as in a) 80 g of hydrogen b) 1g of hydrogen c) 10 g of hydrogen d) 5g of hydrogen ...

inside a equilateral triangle ABC a point P moves such that d(P,BC)>=MAX{d(P,AB),d(P,AC)} then the area bounded by all possible positions of P is a)trinagle b)circle c)quadilatral d)pentagon ...

a NCERT ques............. *Image* i think ans is 3-Ethylhex-3-ene but book says 4-Ethylhex-3-ene what is correct one????????? ...

1) define N=2n(2n+1 - 1) , nEN... such dat (2n+1-1) is a prime no. prove that:- i) the sum of the divisors of N are 2N. ii) the sum of the reciprocals of the divisors of N are 2. 2) find all continuous functions f : (0, infi) ...

HBr reacts with CH2=CH-OCH3 TOFORM a)CH3CHO + CH3Br B)Br-CH2CHO + CH3OH C)Br-CH2-CH2-OCH3 D)CH3-CHBr-OCH3 ...

*Image* which is correct???????i think 2nd one! ...

*Image* wat is iupac name of above compund.i think but-1,3-diene is correct!!! ...

The vapour pressure of water at 15°C is 22 mm of Hg. What will be the vapour pressure of water at 30°C .. Assume that 540 cal of heat is reqd to convert water to vapour. ...

*Image* give iupac name of above??????? ...

A rope of length L and mass M is being pulled on a rough horizontal floor by a constant horizantal force F=Mg.The force is acting at one nd of the rope in the same direction as the length of the rope .Te coefficient of kineti ...

The value of the expression Co2+C12+C22+...+Cn2 is (a)22n-1 (b)2n(2nCn) (c)2nCn (d)None of these ...

a non conducting ring of radius 0.5 m carries a total charge of 1.11*10-10 C distributed non uniformly on it's circumference producing electric field E vector everywhere in the space . the value of the line integral ∫ -E. d ...

A particle moves along the x axis, so that its potential energy U depends on its position coordinate x as U(x)=A|x|^n where A is a positive real and n>0. How will the time period of oscillations depend on the total mechani ...

*Image* ...

Hey all of u Tiitians . I hav made a new website. www.aryabhatta2009.webs.com please join and tell me how did u feel the website is ...