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Statement I - If a spring is broken down to small springs , each of the resulting spring has a higher stiffness than the original spring. Statement II - Since force goes un-diminished in a spring and product of stiffness and ...
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Statement I - Machine parts are jammed in winter. Statment II - Viscosity increases with fall in temperature. ...
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Statement I - Value of g at centre of earth and at infinity is zero. Statement II - The rate of decrease of 'g' is constant with depth but variable with height. ...
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Which of the following is true ? ...
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When two soap bubbles coalesce to form a single soap bubble , ...
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Which of the following is true ? ...
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Which of the following is true ? ...
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*Image* In the above diagram a liquid is being fed at a velocity Vo in a pipe. A and a are the cross-sections of the pipe. What is the range of the liquid jet ? ...
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If a particle makes simple-harmonic-motion with a frequency ω , what is the frequency with which its kinetic energy oscillates ? ...
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A block attached to a spring is released from rest with the spring being initially unstreched.If the natural length of the spring is 'L' , what is the variation of the displacement 'z' of the block from the su ...
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In determination of 'g' by simple pendulum experiment , if we use a rod of length L instead of a thread and a ball , what should be the length of the rod so that the time period measured will be 4s ? Take g = ...
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Some unknown quantity κ is found to obey the following equation, ∂/∂t ( ∫ mκ dx ) = βV2/R , Where m represents mass , β is a dimensionless constant , V is voltage ,x is displacement and R is resistance of a coil ...
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What is the total energy of a particle on the earth's surface when it's given escape velocity ? ...
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If (n-k) divisions in the main scale coincides with 'n' divisions in vernier scale , what is the least count of the instrument ? Given 1 main scale division measures 'a' units. ...
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Find the sum of the series 1-1/2+1/4-1/8+.................... n terms ...
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What is the difference of the minimum and maximum distance between the points given on the two curves |z-i|=2 and kz=0 (where k spans all real numbers! and z=1+0 i ) ...
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Tn = 1/n + 1/n2 + 1/n3.................. Sn = 1/T1 + 1/T2 + 1/T3 + 1/T4 ...................1/Tn Value of Sn is given by? ...
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For A 6 faced dice. Two faces are said to be touching each other if they have a common side! Two faces are pseudo touching if they have a common vertex only, But no common side! Two faces are said to be opposite, if they have ...
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How many pairs of pseudo touching faces are there? ...
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No of ways to color the dice so that the opposite faces have no different color? There are 4 colors! ...
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If the opposite surfaces are to be givne the same color, what is the number of ways to color the dice with 4 colors? ...
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The number of ways in which u can color dice with 4 colors such that no two touching faces have the same color ...
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if a1, a2, a3,.... are in Gp and 2a1+3a2+4a3-3a5=0. Then what is the possible value of R? ...
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Kn=(2n+1)2 - (2n)2 Ln=(2n+1)- (2n) Tn=Ln/Kn Find 1/T1+1/T2+............+1/T100 ...
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Q2 if f(a)=0, then which of the following is correct? ...
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COMPREHENTION: if f:R---->R & f(x) is differentiable function such that all its succesive derivatives exists f'(x) can be taken 0at discrete points only & f(x).f''(x)≤ 0 for all x εR ans foll ...
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A particle executes SHM between x=-A and x=+A. The time taken for it to go from 0 to A/2 is T1 and to go from A/2 to A is T2,then: ...
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A spring of force constant K is cut into 2 pieces such that one piece is double the length of the other.Then the long piece will have the force constant of: ...
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A particle of mass m is executing oscillation about the origin on the x-axis. Its PE is U(x)=K{modulus x}3,where K is a positive constant. If the amplitude of oscillation is 'a',then its time period T is: ...
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Derivative of the function (tan-1 1+x2 -1)/x w.r.t (tan-12x 1-x2 )/1-2x2 at x=0 is ...
asked2009-04-15 21:12:46