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Which of these have non-zero Dipole moment?? *Image* with proper explanation!! ...

WHAT ARE THE PINKED POSTS ???? aur yeh pink hote kaise hain??? ...

A plank of mass 10 kg rests on a smooth horizontal surface . Two blocks A and B of masses m = 2kg and m = 1 kg resp. lie at a distance of 3 m on the plank as shown in the figure . The friction coeff. b/w the blocks and plank ...

1) Is there any meaning of "Weight of the Earth"? I think it has, but it will be different for different planets and stars since they have different masses, so they'll be attracting earth towards themselves with different mag ...

If Sn denotes the sum of the products of the first n natural numbers taken two at a time, then find the sum of the infinite series : ∞ Σ Sn/(n+1)! n=1 ...

1) If t be a real number satisfying the equation 2t3 - 9t2 + 30 - a, then find the values of the parameter 'a' for which the equation x + 1/x = t gives six real and distinct values of x. ...

If A ≡(3,4) and B is a variable point on the line |x|=6.If AB≤ 4 then the no. of positions of B with integral co-ordinates is: a)5 b)10 c)12 d)6 ...

∞ Σ xn+1 = x2/(1-x) n=1 ...

if we keep a fish in btw the plates of a capacitor can we detect the freshness of fish ?????if yes then how??? try it .................................think!/..if u r able 2 answer it this really mean the surety of ur basics ...

2 balls are present each of mass m and radius R one is at rest and other moving with a velocity v but the direction of velocity vector does not pass through the centre of the ball at rest... anyways... still the 2 balls under ...

*Image* this is 0 to pie *Image* this is indefinite ...

what is the product if CH3-C(CH3)(OH)-CH2OH is treated with sulphuric acid ...

1. Decreasing order of heat of combustion *Image* *Image* *Image* *Image* *Image* 2. Decreasing heat of hydrogenation *Image* Please explain the reason also :) ...

1.Tangents at the three points of a parabola y^2 = 4ax form a equilateral triangle . Prove that the vertices of the triangle lie on the curve (3x + a)(3a + x) = y^2 2.Prove that the normal to the parabola y^2 = 4ax at (am^2, ...

prove that for all real x,y the value of x2 + 2xy + 3y2 - 6x - 2y cannot be less than -11. ...

1)There are 4 boys and 3 girls. What is the probability the boys and girls sit alternately? 2). Two trains are 2 kms apart. Speed of one train is 20m/s and the other train is running at 30 m/s .Lengths of the trains are 200 a ...

Show that the number 510-310 is divisible by 11 ...

*Image* *Image* *Image* *Image* plz post your solutions also... ...

between the two rkn which one will react more rapidly by sn2 rkn in PROTIC SOLVENT A) 1. *Image* + CH3CH2O-= product + Cl - 2. *Image* + CH3CH2OH= product +HCl B) 1. *Image* + CH3CH2O-= product + Cl - 2. *Image* + CH3CH2S-= p ...

Q) y ≥ √(1-x2), max( !x!, !y!) ≤ 4 The slope of a family of lines is defined as m(t) = -sin2t + sint + 1, where (t, 2t+0.4) lies inside the region R. 1) The maxmvalue of the slope of any member of family is for t = (a) ...

prove that nth degree polynomial equation has n roots. ...

if the bond length of CO bond in carbon monoxide is 1.128 A, then the CO bond length in Fe(CO)5 is : (a)1.15 A (b)1.128 A (c)1.72 A (d)1.118 A ...

Well, Actually I don't know anything on how to solve such type of problems. Can anyone suggest any article or make a post for better understanding on how to approach such problems. Thanks! ...

P(x) be a polynomial of at most degree 5 which leaves remainders -1 and 1 upon division by (x-1)3 and (x+1)3 respectively. 1) Number of real roots of P(x) = 0 (a) 1 (b) 3 (c) 5 (d) 2 2) The maximum value of y=P''(x) can be ob ...

a3+b3+c3+3abc≥ab(a+b)+bc(b+c)+ca(a+c).....a,b.c +ve reals ...

the no. of S-S bond in S3O9 : ...

If your sock drawer has 6 black socks, 4 brown socks, 8 white socks, and 2 tan socks, how many socks would you have to pull out in the dark to be sure you had a matching pair? not a doubt . ans is 5 ...

CONCEPT :- For a system to be in equilibrium, the torques acting on it must balance. This is true when we take torques about any point on the system or outside it. DOUBT :- Does the above statement hold when the system is in ...

Column I: A) The no of solutions of the system of equations x+2y = 6 and |x-3| = y is m, then B) If x and y are Integers and (x-8)(x-10) = 2y, the no. of solutions is n, then C) The no. of Integral Solutions for the equation ...

*Image* Help me with this. I don't have the book ...