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If Tan A/2 = (Tan B/2)3 and Tan B = 2 Tan C then find (A + B)\C. ...
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If z1,z2 and z3,z4 are two pairs of conjugate complex numbers, prove that arg(z1/z4) + arg(z2/z3) = 0. ...
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If m men and n women are to be seated in a row such that no two women seat together,then find the ways in this can be done. ...
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Why is it that we never consider internal forces while considering a particular system? Explain in detail. ...
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1) Explain why it easier to pull the roller than to push it with the help of a diagram. 2)A horse cannot pull an empty cart in space. Why is it so? Explain in some detail. ...
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1) Explain why it easier to pull the roller than to push it with the help of a diagram. 2)A horse cannot pull an empty cart in space. Why is it so? Explain in some detail. ...
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I have two questions of friction : 1)Why is the coefficient of friction never equal to 1 or 0,but always between 0 and 1? What will happen if the coefficient of friction is EXACTLY 0 or 1? Please explain in some detail. 2)Pol ...
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This is an apology for my bad remarks. I should NOT have used bad words. Please,please,PLEASE forgive me. I was extremely frustrated when I made the comment,and hence I did not have control over myself,as a result of which I ...
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This is an apology for my bad remarks. I should NOT have used bad words. Please,please,PLEASE forgive me. I was extremely frustrated when I made the comment,and hence I did not have control over myself,as a result of which I ...
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The ratio of A.M. (arithmetic mean) and G.M. (geometric mean) of two positive number a and b is m:n. Prove that a:b = (m2 + m2 - n2 ):(m2 - m2 - n2 ...
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2.5 litres of 1M NaOH solution is mixed with 3 litres of 0.5M NaOH solution. What is the molarity of the resulting solution? ...
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Find the square root of ((0.75)^3/1-(0.75)) + (0.75 + (0.75)^2 + 1). My problem is that I am getting an answer 2.5 which is NOT one of the options provided. ...
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Can anyone upload a pdf of the KVPY papers in high resolution? The quality of the current upload is too low and it pretty much strains most people's eyes. ...
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Molarity of a solution of sulphuric acid is 0.8M and its density is 1.06 g/cc. Find the molality and mole fraction of the solution. ...
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When will Edudigm be providing study material (and practice test papers) for KVPY? (I really hope its done as fast as possible) ...
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if α,β are two different values of θ lying between 0 and 2Πwhich satisfy the equation 6 cos θ + 8 sin θ = 9,then find the value of sin(α + β). ...
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If sin α + sin β = a and cos α + cos β = b,then prove that sin(α + β) = (2ab/a2 + b2) ...
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If angle θ is divided into two parts such that the tangent of one part is λ times the tangent of the other, and α is their difference,show that sinθ = (λ+1/λ-1)sinα ...
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Can anyone tell me where I can download the solutions to R.D. Sharma in pdf format? Thanks in advance. Please post the complete link. ...
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Menthol,a flavouring agent obtained from peppermint oil,contains carbon,hydrogen and oxygen. On combustion analysis, 1g of menthol yields 1.161g of water and 2.818g of carbon dioxide. What is the empirical formula of menthol? ...
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In addition to carbon monoxide and carbon dioxide, there is a third compound of carbon and oxygen called carbon suboxide. If a 2.5g sample of carbon suboxide contains 1.32g of carbon and 1.18g of oxygen, show that the law of ...
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A river flows downstream with a speed of 8 km/h and the velocity of the swimmer with respect to the water is 6 km/h. Find out the minimum time taken to reach the other side of the bank.What is the displacement of the man down ...
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Show that the velocity is perpendicular to the displacement, if r = A Cos ωt (i^) + A Sin ωt (j^) ...
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One of the rectangular components of a vector of magnitude 100 units is 50 units. Find the other component. ...
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Assuming the mass 'm' of the largest stone that can be moved by a flowing river depends upon the velocity 'v' of water,density 'd' of water and acceleration due to gravity 'g'. Show that 'm' varies as the sixth power of the v ...
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How to check Kurukshetra results online? Please state a detailed step-by-step method on how to access the ranker's list on the Edudigm site. ...
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A stone is projected with a velocity u such that it reaches height h. Find the ratio of its kinetic energy and potential energy when it is at a height 3h/4 from the ground. (potential energy is zero at the point of projection ...
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Find the acceleration of the block M. Given that the coefficient of friction between the blocks M and m is u1 and the coefficient of friction between the block M and the floor is u2. Clearly show your calculations. *Image* ...
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The frequency of one of the spectral lines in the Paschen series is 2.34 * 1014 Hz. Find the principal quantum number which produces this radiations. (Please show your working) ...
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Arrange O2-,F-,Na+ and Mg2+ in ascending order in terms of their: a)Effective nuclear charge b)Atomic size c)Ionization potential d)Electron affinity ...
