Two springs A and B (kA =3kB )are stretched by the same suspended weight. Then ratio of work done in stretching is
1 : 2
1 : 3
1 : 4
2 : 1
A system exhibiting S.H.M. must possess
elasticity as well as inertia
elasticity only
inertia only
elasticity, inertia and external force
A body executes SHM with an amplitude . At what displacement from the mean position is the potential energy of the body is one-fourth of its total energy ?
Some other fraction of a
A particle executes simple harmonic motion with a frequency f. The frequency with which kinetic energy oscillates is
f
4 f
2 f
f/2
If metal bob of a simple pendulum is replaced by a wooden bob, then its time period will
increase
decrease
remain the same
first (a), then (b)
A particle of mass 10 g is executing S.H.M, with an amplitude of 0.5 m and periodic time of second. The maximum value of force acting on the particle is
25 N
5 N
2.5 N
0.5 N
A wave has SHM (simple harmonic motion) whose period is 4 s while another wave which also possesses SHM has its period 3 s. If both are combined, then the resultant wave will have the period equal to
4 s
5 s
12 s
3 s
A particle is subjected to two mutually perpendicular simple harmonic motions such that is x and y coordinates are given byThe path of the particle will be
a straight line
a circle
an ellipse
a parabola
If a simple harmonic oscillator has got a displacement of 0.02 m and acceleration equal to 2.0m/s2 at any time, the angular frequency of the oscillator is equal to
10 rad/s
0.1 rad/s
100 rad/s
1 rad/s
