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a hollow cone is cut by a plane parallel to the base and upper portion is removed. if the curved surface area of the remainder is 8/9 of the curved surface area of the whole cone, find the ratio of the line segments into whic ...
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If x,y and z are electronegativity,ionisation potential and electron affinity respectively.Then the electron affinity(z) in the terms of electronegativity(x) and ionisation potential(y) will be A.z=x+y/2 B.z=x-y/2 C.z=[(x)^2+ ...
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If voltage is a scalar quantity, how can it be negative? Thanx in advance... ...
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A car and truck start from rest at same instant, with car being a little behind the truck. The truck and car has a constant acceleration of 2.2 m/s2 and 3.5 m/s2 respectively. the car overtakes the truck when it(truck) has mo ...
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Find the solution: x - 1 = 1/3 + 1/(2 + 1/(3 + 1/(2 + .....)to ∞ ) ) ...
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Why is the Electron affinity of chlorine greater than that of Flourine? After all, the L shell of Flourine is meant to have 8 electrons. ...
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Find the angle between two vectors A and B, when A = 10i + 10j and 1. B = 5i - 5j 2. B = - 5j 3. B = - 5i + 5j ...
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If x2 - yz/a = y2 - zx/b = z2 - xy/c , then prove that: (a + b + c)(x + y + z) = ax + by + cz ...
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A,B,C are real values such that A + B + C = 2, A2 + B2 + C2 = 6, A3 + B3 + C3 = 8 then find the value of A4 + B4 + C4 ...
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A,B,C are real values such that A + B + C = 2, A2 + B2 + C2 = 6, A3 + B3 + C3 = 8 then find the value of A4 + B4 + C4 ...
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If A = 7i - 5j N and B = 29j N be two forces acting on a body of mass 1 kg lying at rest at x = 2 cm, then what will be the displacement of the body after 2 seconds? ...
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If A = 7i - 5j N and B = 29j N be two forces acting on a body of mass 1 kg lying at rest at x = 2 cm, then what will be the displacement of the body after 2 seconds? ...
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If the points (1, 3) and (5, 1) are two opposite vertices of a rectangle, and other two vertices lie on the line y = 2x + c, then find value of c. ...
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A truck and a car are moving with the same K.E. on a straight line road. If their engines are turned off at the same time, which one of them will stop at a lesser distance? ...
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Why is the Electron affinity of chlorine greater than that of Flourine? After all, the L shell of Flourine is meant to have 8 electrons. ...
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An object weighs 7.84 N when it is in air and 6.86 N when it is immersed in water. What is the specific gravity of the object? ...
