A simple pendulum of length 1 has an energy E when its amplitude is A. If its amplitude is increased to 2 A, the energy becomes____________________?

Related Mcqs:

1. A simple pendulum of length / has an energy E, when its amplitude is A. If the length of pendulum is doubled, the energy will be___________________?

   A. E
   B. E/2
   C. 2E
   D. 4E

2. If the kinetic energy and potential energy of a simple harmonic oscillator of amplitude A are both equal to half the total energy, then the displacement is equal to_________________?

   A. A
   B. A/2
   C. A/V2
   D. AV2

3. The ratio of kinetic energy and potential energy of a simple harmonic oscillator, at a displacement equal to half its amplitude is given by__________________?

   A. 1:2
   B. 1:1
   C. 2:1
   D. 3:1

4. A particle of mass 2 kg executes simple harmonic motion of frequency 6/71 Hz and amplitude 0.25 m. Its maximum kinetic energy is___________________?

   A. 4.5 J
   B. 9.0 J
   C. 12.0 J
   D. 18.0 J

5. If A is the amplitude of particle executing simple harmonic motion, then the total energy E of the particle is___________________?

   A. proportional to A
   B. proportional to A2
   C. proportional to 1/A2
   D. independent of A

6. The time period of a simple pendulum depends on__________________?

   1) mass of suspended particle
   2) length of the pendulum
   3) acceleration due to gravity
   The correct answer is

   A. only (1)
   B. both (2) and (3)
   C. both (1) and (3)
   D. all are correct

7. Time period and length of a seconds pendulum respectively are_________________?

   A. 1 sec and 99.4 cm
   B. 1 sec and 92.7 cm
   C. 2 sec and 99.4 cm
   D. 2 sec and 92.7 cm

8. It is observed that in a certain sinusoidal oscillation, the amplitude is linearly dependent on the frequency f. If the maximum velocity during the oscillation is V, then V must be proportional to_________________?

   A. f
   B. 1/f
   C. 1/f2
   D. f2

9. A symmetrical body is rotating about its axis of symmetry, its moment of inertia about the axis of rotation being 2 kg -m2 and its rate of rotation 2 revolutions/see. The angular momentum of the body in kg-m2/sec is_____________________?

   A. 4
   B. 6 7i
   C. 8TC
   D. 8

10. In a simple harmonic motion, the position of equilibrium is always_________________?

    A. stable
    B. unstable
    C. neutral
    D. none of the above