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Can anyone give an example of integration by differentiation ...
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How do u define internal forces?? *Image* and in this one *Image* ...
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Let a,b,c be natural numbers and the quadratic equation ax2-bx+c=0 have two distinct roots lying in the interval (0,1)... Now.. a) the least value of a b) the least value of b c) the least value of c [7] ...
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A point source of light is placed at a distance h below the surface of a large and deep lake.Show that the fraction for the light energy that escapes directly from water surface is independent of height h and it is given by f ...
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We have a quadrilateral ABCD. Let E be the point of intersection of the lines AB and CD. Let F be the point of intersection of the lines AD and BC . Prove the following facts: a) The midpoints of the segments AC,BD, EF, are c ...
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Two coils of wire having identical resistances, R, are connected as shown *Image* the upper end of the first coil is connected to the end of the second and vice-versa. their cross-sectional areas are A1 and A2. the two are ke ...
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At what approx. pH of the solvent, will the solublity of CH3COOAg would be least? ...
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a piece of wax weigh 18.03 gm in air A piece of metal is found to weigh 17.03 gm in water It is tied to the wax and both together weigh 15.23 gm in water Then specific graviy of wax is Please give the solution ...
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Unfortunately my answer is not matching........ *Image* ...
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a ball is boucing down a flight of stairsThe coefficient of restitution is e The height of each step is d and the ball bounces one step at each bounce After each bouce the ball rebounds to a height h above the next lower step ...
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Sorry double post correct link: http://targetiit.com/iit_jee_forum/posts/passage_on_matrices_2327.html ...
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1. all the roots of the equation 11z^10 + 10 iz^9 + 10 iz -11 = 0 Lie a> inside |z| = 1 b> on |z|=1 c> outside |z|=1 d> cant say :P 2. 271 should be spilt in to how many parts so as to maximise thier product a> ...
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Metal X is singing a song for non metal Y I ate less protons than what u ate, Our atomic number add upto twenty eight, WIth AgNO3, our salt forms a precipitate. Non metal sings back: Beware this precipitate is black not white ...
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32008+72008+2008 if divided by 28 what is the reaminder.... ans-1 please tell me how????? ...
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THIS WAS A COMP TYPE QUESTN SO OBVIOUSLY HAD 3 QUESTNS.... I HAD POSTD JUS DA FIRST ONE THINKIN MAYB SUM1 WILL GET THE FUNCTN f(x) but Anurag has come up with a real novel solution so i am forced to post da 2nd and da 3rd que ...
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when a tap-water is turned on slowly, the water flow is smooth but it looses its smoothness wen the speed of the outflow is increased ... why?? [7] ...
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A diatomic gas is first heated to double its volume at constant pressure and then heated at constant volume to double its pressure. Find the average molar heat capacity for this process. Now do this for the reverse i.e. first ...
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F(x) = 1/ 5 ( ((1+ 5 )/2)x - ((1- 5 )/2)x ) prove that in series S f(1),f(2)............f(n); [f(k)] , [f(k+2)], [f(k+3)] are in A.P. where k and n ε N and k ...
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Career Guidance Workshop by IITians 10.30am,31st january @Science City Auditorium Kolkata Dont miss this golden opportunity to meet & interact with successful IITians from diverse background for guidance regarding acadmics, c ...
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The Carbon Cycle The concentration of carbon in living matter (18%) is almost 100 times greater than its concentration in the earth (0.19%). So living things extract carbon from their nonliving environment. For life to contin ...
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A disc of mass 2M lying in vertical plane is free to rotate about a fixed horizontal axis passing from its centre. A particle of mass M is tied to a string of length 2R and another end of the string is attached to the disc as ...
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Q.1 If |z|=1 then prove that complex number denoted by (1+z)/(1-z) always lie in either of the two fixed perpendicular lines.. Q.2 If z1+z2+z3=0. then prove that the angle between any two pair of complex number is greater tha ...
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Try this out,it's on hydraulics Equation. Prove that the resultant force F on a plane surface of area A immersed vertically in a liquid of density (rho) is given by the equation: F=rho.g.A.z Where 'z' is the depth to the cent ...
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Explain why the BC junction will give a smaller voltage drop, and will thus have a higher voltage measured then a BE Junction. Try it !!!! All the Best. ...
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Equivalence Priciple The newly discovered relativity of space and time was very important in Einstein's desire to understand gravity. Einstein found Newton's description of gravity disappointing, because it assumes that space ...
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The period revolution of a nearest satellite around a planet of radius R is T. Period of revolution around another planet, whose radius is 3R but having same density is : also give appropriate reason ...
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*Image* PL ATTEMPT DA FIRST QUE..... ANS : "B" not a) ...
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Reading Of course you should read actively, but that is easier said than done. Write questions in the margins about things you don’t understand. Don’t bother highlighting — highlighting is useless for reading science te ...