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Find eccentricity of the conic given by the equation y= x - 1/x ? ...
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\hspace{-16}$If $\bf{a,b}$ and $\bf{c}$ are different real no. such that\\\\\\ \begin{Vmatrix} \bf{a^3=3b^2+3c^2-25} \\\\ \bf{b^3=3a^2+3c^2-25} \\\\ \bf{c^3=3a^2+3b^2-25} \end{Vmatrix}\\\\\\ Then find value of $\bf{abc=}$ ...
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Give two examples of each of the following and their specific usefulness in the body: (i) monosaccharides (ii) disaccharides (iii) polysaccharides ...
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For real x, let f(x)=x3 +5x+1, then prove that f is one-one and onto R. ...
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In Y.D.S.E set up the separation between the slits is 10l. Then the maximum number of interference maxima obtained on the screen is ...
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We know friction occurs due to irregularities at molecular level,what is the origin of normal reaction between the surfaces? ...
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A body floats in complete immersed condition in water as shown as in figure.As the whole system is allowed to slide down freely along the inclined surface,the magnitude of buoyant force *Image* (a)remains unchanged (b)increas ...
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What is the probability that 2 person in a 23 person room share same birthday????? ...
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A rod of mass 0.02 Kg and length 2m is sliding down on an conducting rails inclined at an angle 30° by the action of a variable force which is acting on the rod down the inclined. If rod was initially at rest, i=0, di/dt = 5 ...
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If four squares are chosen random on a chessboard, find the probability that they lie on a diagonal line. ...
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a ball of mass m,radius r rolls along a circular path of radius R.Its speed at bottom(θ=0)of path is v0.Find the force of path (Normal and friction) on the ball as a function of θ *Image* ...
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A cylinder of mass m is kept on the edge of a plank of mass 2m and length 12m, which in turn is kept on smooth ground.Coefficient of friction between plank an the cylinder is 0.1.The cylinder is given an impulse,which imparts ...
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Why is formic acid stronger than acetic acid? ...
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AgF is soluble in water. why the other silver halieds (AgCl, AgBr, AgI) are not soluble in water??? ...
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A cylinder of radius R made of a material of thermal conductivity 7 is surrounded by a cylindrical shell of inner radius R and outer radius 2R. The shell is made of a material of thermal conductivity 3. The two ends of the co ...
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A man throws a ball horizontally with a velocity vo from a distance of 4m vertically above the lowest point of the incline.He throws it towards the incline.The ball hits the inclined plane perpendicularly.Find vo?(g=10m/s2) ...
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In a test an examinee either guesses or copies or knows the answer to a multiple choice question with 4 choices. The probability that he makes a guess is 1/3 and the probability that he copies it is 1/6 . The probability that ...
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In a multiple choice question there are four alternative answers, of which one or more are correct. a candidate will get marks in the question only if he ticks all the correct answers. The candidate decides to tick the answer ...
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*Image* reacts with NaBH4 to give *Image* But there is no reaction of *Image* with NaBH4. Why? ...
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