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A Few reasoning and assertion questions -: f(x) = lim cos(n!2∩x) n is an integer . n--->∞ g(x) = lim cosn(2∩x) n--->∞ h(x) = lim {cos(n.x)+2}-n Range of f = R1 , Domain Of f is D1 Range of g = R2 , Domain Of g i ...
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A point moves along a circle with its tangential velocity vt=0.50 m/s2 .Find the total acceleration of the point at the moment when it covered the n-th(n=0.10) fraction of the circle after the begining of the motion? ...
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What is the reason of the formation of coriolis effect in the earth? ...
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draw the graph of ---- (1)f(x)=2|x-2|-|x+1|+x (2)f(x)+x+|x| ...
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Q1. For the reaction 2HI --> H2+I2 the rate constant is k. What is the rate constant of the reaction HI --> H2/2+I2/2 ? Q2. Draw the graph of the temperature dependence of the rate of reaction R of a simple reaction. i. ...
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Find the interval in which the function f(x)=loga(5x-2-2x2),where o<a<1 has an inverse. ...
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a cubical block of wood of edge 3cm floats in water.The lower surface of cube just touches the free end of a vertical spring fixed at the bottom of pot.Find max weight that can be put on the block without wetting it.Density o ...
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There is an air bubble of radius 1mm in liquid of ST=0.075 N/m and density 1000 kg/m3 .The bubble is at the depth 10cm below free surface.By what amount is the pressure inside bubble greater than the atmospheric pressure? ...
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A tube of insufficient length is immersed in water(ST=0.07 N/m) with 1cm of it projecting vertically upward outside the water.What is radius of meniscus?Radius of tube=1 mm ...
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the simplest cycloalkyne is ............... ...
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The fuctions f(x)=x2-4x+3 and g(x)=2- 1+x are inverse functions of each other.Find any one root of the equation f(x)=g(x). ...
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Why is β=2α and γ=3α?? ...
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what exactly is the reason that can be accounted for the instability of a carbon atom which has two double bonds? ...
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while solving an inequality, i got the interval of x as [-6,6] but there was another option as [-1,1] and the question was of one or more correct ans. type.should I mark both these options? ...
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Prove that an infinite number of triangles can be inscribed in either of the parabolas y^2=4ax and x^2=4by whose sides touch the other ...
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Show that (6!)5! is a divisor of (6!)!. ...
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i am a bit confused how to calculate total no . of isomers.. for eg if compound shows optical+geometrical isomerism then how do we count them i mean do cis and trans diff and are counted separately and what about distereomers ...
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what is the really the physical meaning of Irms value of the current???? ...
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Prove that the roots of the equation (a4+b4)x2+4abcdx+(c4+d4)=0 cannot be different if real. ...
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*Image* pls solve this beginners ...
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A hoop of radius r rolls over a horizontal plane with constant velocity v without slipping. The velocity of any point on the hoop t seconds after it passes the top position is ...
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Q1 Four persons K, L, M, N are initially at the four corners of a square of side d. Each person now moves with a uniform speed v in such a way that K always moves directly towards N and N directly towards K. The four persons ...
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Ques1) If one Geometric mean G and two arithmetic means p & q are inserted between two quantities, then show that G2 = (2p-q)(2q-p) Ques2) Let a,b,c are respectively the sum of the first n terms, the next n terms, and the nex ...
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10 women are sitting in a row. All of them get up and reseat themselves in a way such that each woman can sit either in the chair where she was previously sitting or in the chair right next to hers. In how many ways can the w ...
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Why does the Earth follow an elliptical path around the sun? Is it affected by the presence of the other planets? Where as the moon's orbit is not so. Why? ...
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if one of the root of quadratic equation x2+ax+b=0 be the other root of x2+cx+d=0then prove that its other root is of the equation x2+(2a-c)x+(a2-ac+d) ...
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if the angle of elevation of a cloud from a point 'h'metres above a lake is a and angle of depression of its reflection in the is b.Prove that the height of cloud is h( tan b + tan a )/( tan b - tan a ) .pls solve it by drawi ...
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the emf induced by the inductor is given by e= -L(di/dt) so when we apply the kirchhoff's law in the growth of RL circuit then the emf induced by the inductor should come to be +ve i.e. the eqaution should come "e - iR + L(di ...
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*Image* two particles from A & B start traveling simultaneously towards each other ,both of them with speed u.find their separation after time t=R/u. 2.What will be their initial velocities when both particles have rotated th ...
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if α i a non real root of x7=1 , find the equation whose roots are :α+α6 ; α2+α5 ; α3+α4 . ...