General Science

OSCILLATION MCQs

Total Questions : 12

Page 1 of 2 pages
Question 1. A mass of 50 g attached to a spring oscillates with a function of y(t)=2 sin⁡(3t)y\left(t\right)=2\ \sin\left(3t\right)y(t)=2 sin(3t) cm
  1.    0.15 J
  2.    0.45 J
  3.    0.90 J
  4.    6.0 J
 Discuss Question
Answer is Option C. -> 0.90 J
Question 2. A mass-spring system can oscillate with simple harmonic motion because a compressed or stretched spring has which kind of energy?
  1.    kinetic
  2.    mechanical
  3.    gravitational potential
  4.    elastic potential
 Discuss Question
Answer is Option D. -> elastic potential
Question 3. A pendulum is 0
  1.    9.8 m/s2
  2.    3.4 m/s2
  3.    1.7 m/s2
  4.    Greater than 9.8 m/s2
 Discuss Question
Answer is Option C. -> 1.7 m/s2
Question 4. Which of the following is not an example of resonance?
  1.    Nuclear magnetic resonance (NMR).
  2.    Heating of food in a microwave oven.
  3.    Skyscrapper sways more and more during earthquake.
  4.    A basketball bounces few times on floor and stops.
 Discuss Question
Answer is Option D. -> A basketball bounces few times on floor and stops.
Question 5. Which of the following physical quantity is unit less?
  1.    Logarithmic decrement
  2.    Quality factor
  3.    Relaxation time
  4.    Both logarithmic decrement & Quality factor.
 Discuss Question
Answer is Option D. -> Both logarithmic decrement & Quality factor.
Question 6.
  1.    Amplitude
  2.    Frequency
  3.    Displacement
  4.    none of the above
 Discuss Question
Answer is Option A. -> Amplitude
Question 7. For a system in simple harmonic motion, which of the following is the time required to complete a cycle of motion?
  1.    amplitude
  2.    period
  3.    frequency
  4.    revolution
 Discuss Question
Answer is Option B. -> period
Question 8. A simple harmonic oscillator takes 4
  1.    4.8 s
  2.    .96 s
  3.    9.8 s
  4.    All of above
 Discuss Question
Answer is Option B. -> .96 s
Question 9. A body of mass 10 gram oscillates freely with natural frequency 1 Hz
  1.    8π Newton
  2.    8π duvet
  3.    4π Newton
  4.    4π duve
 Discuss Question
Answer is Option B. -> 8π duvet
Question 10. What is meant by forced oscillation?
  1.    When an object is vibrating at its natural frequency
  2.    When an object continues to vibrate after the disturbance is removed
  3.    When an object vibrates at a frequency which is different from its natural frequency
  4.    When an object receives a vibration from external sources
 Discuss Question
Answer is Option C. -> When an object vibrates at a frequency which is different from its natural frequency