NCERT Class 11 Physics MCQ Chapter 13 Oscillations Solutions, AHSEC Class 11 Physics Multiple Choice Question Answer to each chapter is provided in the list so that you can easily browse throughout different chapters NCERT Class 11 Physics MCQ Chapter 13 Oscillations Question Answer and select needs one.
Class 11 Physics MCQ Chapter 13 Oscillations
Also, you can read the SCERT book online in these sections NCERT Class 11 Physics Multiple Choice Solutions by Expert Teachers as per SCERT (CBSE) Book guidelines. AHSEC Class 11 Physics MCQ Solutions. These solutions are part of SCERT All Subject Solutions. Here we have given HS 1st Year Physics Objective Type Question Answer for All Subjects, You can practice these here.
Oscillations
Chapter: 13
| PART – ⅠⅠ |
MULTIPLE CHOICE QUESTION ANSWER
1. A particle performing SHM has a maximum speed of 4 m/s. If its amplitude is 2 m, what is its angular frequency?
(i) 1 rad/s.
(ii) 2 rad/s.
(iii) 3 rad/s.
(iv) 4 rad/s.
Ans: (ii) 2 rad/s.
2. Which of the following describes circular motion?
(i) Periodic.
(ii) Oscillatory.
(iii) Simple Harmonic.
(iv) Rectilinear motion.
Ans: (i) Periodic.
3. In an SHM the time taken to go from mean position to A/2 is the same as that from A/2 to A. True or False? Here, A is the amplitude of motion.
(i) True.
(ii) False.
(iii) None of the above.
(iv) All of the above.
Ans: (ii) False.
4. A spring-mass system oscillates with a period T. If the mass is doubled, the new period will be:
(i) T/2
(ii) T
(iii) T√2
(iv) 2T
Ans: (iii) T√2.
5. If a particle has displacement x = A cos ωt, then its velocity at time t is:
(i) Aω cos ωt.
(ii) −Aω sin ωt.
(iii) Aω sin ωt.
(iv) −A sin ωt.
Ans: (ii) −Aω sin ωt.
6. In a simple harmonic motion, the phase difference between velocity and displacement is:
(i) 0
(ii) π/2
(iii) π
(iv) 3π/2
Ans: (ii) π/2
7. Every periodic motion is oscillatory, but not vice versa. True or False?
(i) True.
(ii) False.
(iii) None of the above.
(iv) All of the above.
Ans: (ii) False.
8. In a simple harmonic motion, the acceleration of a particle is always:
(i) Constant.
(ii) Directly proportional to displacement.
(iii) Inversely proportional to displacement.
(iv) Zero.
Ans: (ii) Directly proportional to displacement.
9. A ball is thrown up with a velocity of 2.5m/s. It collides elastically with the ground. Find the frequency of this periodic motion:
(i) 1Hz
(ii) 2Hz
(iii) 3Hz
(iv) 0.5Hz
Ans: (ii) 2Hz
10. In a simple harmonic motion, the acceleration of a particle is always:
(i) Constant.
(ii) Directly proportional to displacement.
(iii) Inversely proportional to displacement.
(iv) Zero.
Ans: (ii) Directly proportional to displacement.
11. What is the frequency of SHM?
(i) Number of oscillations per unit time.
(ii) Time for one oscillation.
(iii) Time taken for motion to reverse direction.
(iv) Same as angular frequency.
Ans: (i) Number of oscillations per unit time.
12. For a simple harmonic oscillator, if the amplitude is doubled, the maximum acceleration will:
(i) Remain the same.
(ii) Be halved.
(iii) Double.
(iv) Quadruple.
Ans: (iv) Quadruple.
13. A particle is undergoing SHM with amplitude 10cm. The maximum speed it achieves is 1m/s. Find the time it takes to reach from the mean position to half the amplitude.
(i) π/60 s
(ii) π/30 s
(iii) π/15 s
(iv) π/40 s
Ans: (i) π/60 s
14. A particle is undergoing SHM with amplitude 5 cm and period 2 s. What is the maximum speed of the particle?
(i) 2.5 cm/s.
(ii) 5 cm/s.
(iii) 10 cm/s.
(iv) 15 cm/s.
Ans: (iii) 10 cm/s.
15. What is the period of oscillation for a mass-spring system with a spring constant of 1200 N/m and a mass of 3 kg?
(i) 1.6 s.
(ii) 0.6 s.
(iii) 2.4 s.
(iv) 3.0 s.
Ans: (ii) 0.6 s.
