Recently Active Miscellaneous Questions

Which of the following is true ? ...

*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 ? ...

If a particle makes simple-harmonic-motion with a frequency ω , what is the frequency with which its kinetic energy oscillates ? ...

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 ...

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 = ...

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 ...

What is the total energy of a particle on the earth's surface when it's given escape velocity ? ...

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. ...

Find the sum of the series 1-1/2+1/4-1/8+.................... n terms ...

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 ) ...

Tn = 1/n + 1/n2 + 1/n3.................. Sn = 1/T1 + 1/T2 + 1/T3 + 1/T4 ...................1/Tn Value of Sn is given by? ...

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 ...

How many pairs of pseudo touching faces are there? ...

No of ways to color the dice so that the opposite faces have no different color? There are 4 colors! ...

If the opposite surfaces are to be givne the same color, what is the number of ways to color the dice with 4 colors? ...

The number of ways in which u can color dice with 4 colors such that no two touching faces have the same color ...

if a1, a2, a3,.... are in Gp and 2a1+3a2+4a3-3a5=0. Then what is the possible value of R? ...

Kn=(2n+1)2 - (2n)2 Ln=(2n+1)- (2n) Tn=Ln/Kn Find 1/T1+1/T2+............+1/T100 ...

Q2 if f(a)=0, then which of the following is correct? ...

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 ...

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: ...

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: ...

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: ...

Derivative of the function (tan-1 1+x2 -1)/x w.r.t (tan-12x 1-x2 )/1-2x2 at x=0 is ...

what will happen when 1)Hg[O--Ac]2 is added 2)NaBH4/0H- see the options from the above list ...

∫(cos8x-cos7x)/(1+2cos5x)dx ...

∫{sin2x}/{(cosx)^4+(sinx)^4}dx ...

∫( x ){1+(x^4/3)}^1/7dx ...

Find the height of cylinder of greatest volume inscribed in a cone of height H. ...

Y= log(ex) - log(e-x) Z= -x Which of these is true? ...