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*Image* The the block is given an initial displacement 'A' towards right and released.When moving towards left after that the upper spring is somehow disengaged from the block when the block comes to the mean position ...
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In the above question if the upper spring is disengaged when its displacement was (A/2) instead of mean position , what will be the resulting amplitude of motion ? ...
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In the above question if the speed of mass m1 is v1 what is the speed of mass m2 ? ...
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Two particles of mass m1 and m2 initially at ∞ start moving towards each other due to gravitational force between them. Then they would eventually meet at ...
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In the above question if the separation between them at any instant is 's' , what is the relative velocity between them ? ...
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A particle oscillates according to the equation x = Asinωt . The magnitude of rate of change of acceleration of the particle is maximum at , ...
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B2H6(g)+3O2(g)→B2O3(s)+3H2O(g)+1000kJ(heat) Find the change in internal energy for the reaction if 70 gm of diborane goes for complete combustion at temperature of 400K. ...
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The freezing point of 0.1M solution of a sucrose is -1.5°C. If an equal volume of 0.5M sucrose solution is added, the freezing point point of the mixture is(assume m=M) ...
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2 moles of an ideal gas is expanded isothermally and reversibly from 1 litre to 10 litre at 300 K. The enthalpy change (in kJ) for the process is ...
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For a chemical reaction 3X(g)+Y(g) [eq] X3Y(g), the amount of X3Y at equilibrium is affected by ...
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Which of the following will have pH close to 1.0? ...
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0.1 mole of CH3NH2 (Kb=5×10-4) is mixed with 0.08 mole of HCl and diluted to one litre. What will be the H+ concentration in solution? ...
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Consider the following eqns a) Fe3+(aq)+3e-→ Fe(s) E01 = 0.45 V b) Fe(s)→Fe2+(aq)+2e- E02 = - 0.04 V c) Fe3+(aq) +e- → Fe2+ (aq) E03 =? E03 will be ...
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The vapour pressure of pure water at certain temperature is 600 mm of Hg. Equal weights of water and a non volatile solute is mixed and the vapour pressure of solution is 500 mm of Hg. What is the molecular weight of the solu ...
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Find the equilibrium constant for the reaction In2++Cu2+→In3++Cu+ Given E0Cu2+/Cu+=0.15V ; E0In2+/In+=-0.40V ; E0In3+/In+=-0.42V ...
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Among 5%(mass%) solutions of two solutes 1 and 2(M1<M2) ...
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Multiple Correct choice follows Lyophilic sols ...
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What is the angle between Z and Zi4n+1 where n is an integer ? ...
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i th root of i is ...
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if |z1 - i| = 1 and |z2 - 2 - i| = 1/2 , what is the minimum value of |Z1 - Z2| ? ...
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(a+bω+cω2)/(aω+bω2+c) = ? (where ω is the complex cube root of unity) ...
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Statement I - Surface tension arises at the surface and not in the bulk. Statement II - A liquid molecule in the bulk is pulled in all directions but that on surface is pulled by inward only. ...
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Reasonong Type Statement I - PLot of total energy of a particle performing SHM and time is a straightline parallel to time axis. Statment II - Kinetic energy and Potential energy both oscillate at a frequency that is twice as ...
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Which of the following is true about gravitaion ? ...
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Which of the following is true ? ...
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Which of the following is true ? ...
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Three particles each of mass 'm' are placed on the vertices of an equilateral trianlge of side 'a'. What is the magnitude of work done on each particle if all the three particles are symmetrically moved away f ...
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What is the dimension of β if it is known that β obeys the following equation ? Other symbols carrying their standard meaning. ÏeÏβ = ∂/∂t (m ∂x/∂t) ...
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In the above question what is the amplitude of velocity ? ...
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What is the minimum value of n so that ((1+i)/(1-i))n is 1 ? ...
asked2009-04-15 21:12:46