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1) Equal weights of methane and oxygen are mixed in an empty container at 25 degree. The fraction of the total pressure exerted by oxygen? a)1/3 b)1/2 c)2/3 2) At const vol. for a fixed no of moles, pressure of a gas increase ...

Sides a,b,c of a triangle ABC are in AP \cos(\theta_1)=\frac{a}{b+c} , \cos(\theta_2)=\frac{b}{a+c} and \cos(\theta_3)=\frac{c}{a+b} Then \tan^2\left(\frac{\theta_1}{2} \right)+\tan^2\left(\frac{\theta_3}{2} \right) =? ...

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*Image* for sabitha..........kyun ki she dint belive me..... ...

dont give me official solm..........i cant understand that,,,,,,and i cant do it myself either.... *Image* ...

i read this statement today.......... for no dispersion d(1/f)=0 can anyone explain it plz.... ...

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I am not able to solve hcverma.... I reading theory and understanding everythin without leaving any word.... But i am not gettin solutions on my own... I am able to solve only 1/4 th of the whole questions... I am gettin frus ...

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*Image* pulleys and strings are massless and there is no friction.find the relation for accelerations between hanging plank marked 1 and block marked 2. plz explain ...

find the degree of the following expression: ( 2x2+1 + 2x2-1 )6+ 26[ 2x2+1 + 2x2-1 ]-6 ...

match the fol. here....... *Image* EK AUR ........ Displacement - Velocity Equation of a particle : x = k - k'V2 k,k' are const. FIND Time Period T ...

A small particle travelling with a velocity v collides elastically with a smooth spherical body of equal mass and of radius r initially kept at rest. The centre of this spherical body is located at a distance l (l < r) awa ...

Now can sum1 figure out 4 me Wer does this genral form cumk frm?? Read 14, 15 together..... *Image* *Image* ...

Parameters of monoclinic unit cell satisfies that of orthorhombic primitive unit cell's.....does it mean.......that orthorhombic..is a type of monoclinic primitive unit cell...???? ...

Let f:[0,1]\to\mathbb{R} be continuous such that \int_0^1 f(x)\ \mathrm{d}x=1 Determine the minimum possible value of \int_0^1 (1+x^2)f^2(x)\ \mathrm{d}x Also, determine the function for which this minimum is attained. ...

*Image* *Image* *Image* IN THE CIRCUIT SHOWN BELOW Va AND Vb be the potentials at A and B , R is the equivalent resistence between A and B , S1 and S2 are switches and DIODES are ideal *Image* *Image* ...

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is their anyone who plays travian !! ...

Let f(x)=x2+bx+c,where b,c \in R . If f(x) is a factor of both x4+6x2+25 and 3x4+4x2+28x+5 , then the least value of f(x) is ...

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sinA sinB sin C + cos A cos B=1 then the value of sin C=? ...

let S1, S2......... be the squares such that for each n≥1, the length of a side of Sn equals the length of a diagonal of sn+1. if the length of a side of S1 is 10cm, then for which of the following values of n is the area o ...

Write the structure of analine at pH 2 and pH 10 ...

Can sum1 pl. explain me Question 2 n 3 *Image* ...

TRUE/FALSE (1) The pulley arrangements (a) and (b) are identical. THE ACCELERATION OF THE MASS m IS THE SAME IN BOTH CASES.. *Image* (2) Two identical trains are moving on rails alog the equator on the earth in opposite direc ...

Internal bisector of <A of a triangle ABC meets side BC at D. A line drawn through D perpendiuclar to AD intersects the side AC at E and the side AB at F. If a,b,c represent sides of ABC then A) AE is HM Of b and c B) AD=2 ...

Q. A right triangular wedge of mass M rests on an absolutely smooth horizontal surface. A block with a mass m is placed on the inclined surface of the wedge, the inclination α being with the horizontal. This system is releas ...

if r,s t are prime nos. and p,q,r are +ve integers such dat LCM of p,q is r2t4s2 then the no. of ordered pairs (p,q) is.....patha nahin...y nothin strikes my big head ...

Given an isosceles triangle whose one angle is 120 degree and radius of its incircle is 3 . Then the area of the triangle in square units is: ...