Two springs A and B have force constants KA and KB such that kB =2kA. The four ends of the springs are stretched by the same force. If the energy stored in spring A is E, then the energy stored in spring B will be:
2E
E
4E
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
Frequency of a simple pendulum in a freely falling lift will be :
Zero
Infinite
Finite
can't say
Two springs A and B (kA =3kB )are stretched by the same suspended weight. Then the ratio of work done in stretching is:
1 : 2
1 : 3
1 : 4
2 : 1
The acceleration of a particle in S.H.M. is:
Always constant
Maximum at extreme positions
Maximum at mean position
Always zero
Which one of the following statements is true for the speed v and the acceleration of a particle executing simple harmonic motion ?
when v is maximum,is maximum
Value ofis zero, whatever may be the value of v
When v is zero, is zero
When v is maximum, is zero
A hollow sphere filled with water forms the bob of a simple pendulum. A small hole at the bottom of the bob allows the water to slowly flow out as it is set into small oscillations and its period of oscillations is measured. The time period will:
Increase
Decrease
Remain constant
First increases , then decreases
A particle executes simple harmonic oscillation with an amplitude a. The period of oscillation is T. The minimum time taken by the particle to travel half of the amplitude from the equilibrium position is:
The S.H.M. of a particle is given by the equation . The amplitude of motion is:
7
12
1
5
The acceleration of a particle performing S.H.M. is 12 cm/sec2 at a distance of 4 cm from the mean position. Its time period is:
2.0 sec
3.14 sec
0.5 sec
1.0 sec
