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Happy Bday to our mentor MANISH SIR [1] aaj sir ka bday hai *Image* ...
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re^{-r/2}cos\theta =constant where r is the radial distance of the point from origin and theta is the colatitude (angle btw the radial vector and the one pointing towards the z coordinate of the point)) ...
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re^{-r/2}cos\theta =constant where r is the radial distance of the point from origin and theta is the colatitude (angle btw the radial vector and the one pointing towards the z coordinate of the point)) ...
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consider a plane progressive wave y=A sin(kx-wt) propagating in a string having tension F. What is the linear impulse given by the F-transverse acting at x=0 on the time interval t=0 to t= T/4? (asumptions tanθ≈sinθ; Ampl ...
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kinetic energy of a system cannot be increased without applying any external force on the system. true or false????????? its given to be false????? how can this be????? ...
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1) A thin insulating rod is charged in a uniform manner & the resulting linear charge density is λ. The rod is bent into the shape of a semi-circle. Find the magnitude of the electric field strength at the centre. 2) A Gold ...
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*Image* Q3. edit: word missing after tangential "acceleration" ...
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find \int_{0}^{\pi/4}{\frac{x dx}{cosx(cosx +sinx)}} ...
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i know this is not directly integrable, bt i'm nt getting any way to directly derive this relationship if \int_{0}^{1}{\frac{e^{t}}{t+1}} =a and \int_{3}^{4}{\frac{e^{t}}{t-5}} =b then find the relation btw a and b??? ...
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A first order reaction,A --->B,requires activation energy of 70 kJ/mol.When a 20 % solution of A was kept at 25oC for 20 minutes,25 % decomposition took place. What will be the percent decomposition in the same time in a 3 ...
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Which compound does not dissolve in hot dil HNO3 ? A. HgS B. PbS C. CuS D. CdS ...
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A first order reaction,A --->B,requires activation energy of 70 kJ/mol.When a 20 % solution of A was kept at 25oC for 20 minutes,25 % decomposition took place. What will be the percent decomposition in the same time in a 3 ...
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Find all real values of the parameter a for which the equation (a-1)z^{4}-4z^{2} +a+2=0 has only pure imaginary roots. ...
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Find all real values of the parameter a for which the equation (a-1)z^{4}-4z^{2} +a+2=0 has only pure imaginary roots. ...
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Find all real values of the parameter a for which the equation (a-1)z^{4}-4z^{2} +a+2=0 has only pure imaginary roots. ...
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Q1: If a,b,c are digits ,then rational number represented by 0.cababab.... is ? Q2: Calculate sum of products of ten numbers ±1,±2,±3,±4,±5 taking two at a time. Q3: Sum of series 1/ 3 + 7 + 1/ 7 + 11 + 1/ 11 + 15 ..... ...
