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I want 2 know which book do i follow for base as well as advanced knowledge of physical and organic chemistry ...

probability that A speaks truth is 4/5. A coin is tossed. A reports that a head appears. wat will be the probability if actually there was a head?????????????????????????????????????????????????????? i want solution ...

√[1+(1/12)+(1/22)] +√[1+(1/22)+(1/32)]+ .....................+√[1+(1/20072)+(1/20082)] =? a) 2008-(1/2008) b)2009-(1/2008) c)2008-(1/2009) d)2009-(1/2009) ...

1. which emperical formula for oxide of potasium is least stable ? a>K2O b>KO c> KO2 d>KO3 2. The pressure at which half of an ideal binary liquid solution , containing 1 mole of each component goes into vapor pha ...

Q Four tuning forks of frequencies 200,201,204,206 Hz are sounded together . the beat frequeny will be?? ...

\sum_{1\ll i }^{}{}\sum_{<j<k}^{}{}\sum_{\ll n}^{}{(x_{i}+x_{j}+x_{k}})=\lambda (\sum_{m=1}^{n}{x_{m}}) Determine λ ...

This is a famous 'situation puzzle'. Those who already know the answer pls let others try! An Arab sheikh tells his two sons to race their camels to a distant city to see who will inherit his fortune. The one whose camel is s ...

find the length of the common chord of two circles: (x-a)2+(y-b)2=c2 and (x-b)2+(y-a)2 a) 4c2-2(a-b)2 b) 4b2-2(a-c)2 c) 2c2-2(a-b)2 d) 2c2-2(c-b)2 ...

This thread is only for math.....so NO english....dont ask doubts in eng...only math symbols are allowed.... Q.1 *Image* ...

A woman, while at the funeral of her own mother, met this guy whom she did not know. She thought this guy was amazing, so much her dream guy she believed him to be just that! She fell in love with him right there, but never a ...

There are n≥4 points situated on a plane such that no two of the lines joining them are parallel and no three of the lines joining them are concurrent except at the given points. Find the number of points of intersection, o ...

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5 Indian and 5 American couples meet at a party and shake hands. If no wife shakes hands with her husband and no Indian wife shakes hands with a male then find the number of handshakes that take place in the party. Ans. 135 ...

A thin uniform hemispherical bowl of mass m and radius R is lying on a smooth horizontal surface,A horizontal force F is applied perpendicular to the rim of the bowl,what is the instantaneous angular acceleration of the bowl? ...

This one is a sitter ;) radius of Earth = 6 378.1 kilometers The Area of India is 3,000,000 Km2 A charge Q=1 Coulomb is uniformly distribute over the earth's volume The Flux Through India is equal to? ...

A complex circuit consists of some resistors. An ideal current source is then connected through two points at the circuit. Then an ideal voltmeter is connected to two nodes of a resistor in the circuit. Reading of the voltmet ...

statement 1: there exists a convex hexagon in the plane such that its sides are 1,2,3,4,5,6 units in order because Statement 2: construct an equilateral triangle of side length 9 units and remove the 3 corners of equilateral ...

using three zeroes and any mathematical operator (of three types only) produce 11 ...

Statement 1:- c2c3c4........cn < ( nn 2(n - 1)(n - 2) ) / (n!)2 cr = ncr Because Statement 2 :- For positive quantities AM ≥ GM. ...

tapan this is the error which showed on opening encalc *Image* ...

REASON AND MEHANISM OF HYDROGEN BRIDGE BOND IN THE DIMER , BORON TRI-HYDRIDE MOLECULE. ...

a wave travels uniformly in all directions frm a pt source in an isotropic medium .the displacement of the medium at any pt at a distance r frm d source may be represented as(a isa constant representing strength of source ) ( ...

*Image* two blocks are kept on a smooth horizontal table.... they are interconnected by an ideal spring of spring constant k..... A force is aplied as shown....... findthe max. compression of the spring. Ans: 2m1F/(k(m1+m2)) ...

Q if p=(x2-x1)2+(2√x2-x1-2)2 , x1,x2 ε R and x2 > 0 , then find minimum value of p ?? ...

a plane wave y=A sin ω[t-x/v] undergo a normal incidence on a plane boundary separating medium M1 n m2 and splits into a reflected n transmitted wave having speed v1 and .comment on phase of transmitted n reflected wave ,ll ...

*Image* ........................................................................ ....................................................................... no the answer is not C ...

WARNING!!!>>>A small truth to make our Life 100% successful.... (if) A = 1 B = 2 C = 3 D = 4 E = 5 F = 6 G = 7 H = 8 I = 9 J = 10 K = 11 L = 12 M = 13 N = 14 O = 15 P = 16 Q = 17 R = 18 S = 19 T = 20 U = 21 V = 22 W ...

a closd orga n pipe of radius r1 and an open organ pipe of radius r2 and having same length L resonate when excited with a tuning fork .closed organ pipe resonates in its fundamental mode an open in first overtone then (a)r2- ...

Pick 2 random numbers m and n between 0 and 1. What is the probability that the closest integer to (m/n) is even? ...

if l1 n l2 are the length of the air columns for the first n second resonance when a tuning fork of frequency n is sounded on a resonance tube then the distance of displacemnt antinode frm the top end of resonance tube (a)2(l ...