Simple Harmonic Motion
 |
Sure, here are 20 multiple-choice questions (MCQs) on Simple Harmonic Motion for class 9th students:
1:What is the restoring force in a system undergoing simple harmonic motion? A) Frictional force B) Gravitational force C) Tension force D) Spring force Answer: D) Spring force
2:Which of the following quantities remains constant in simple harmonic motion? A) Velocity B) Acceleration C) Displacement D) Force Answer: C) Displacement
3:In simple harmonic motion, the restoring force is proportional to? A) Velocity B) Displacement C) Acceleration D) Mass Answer: B) Displacement
4:The time period of a pendulum undergoing simple harmonic motion depends on? A) Mass of the pendulum B) Length of the pendulum C) Amplitude of the pendulum D) All of the above Answer: B) Length of the pendulum
5:The frequency of a vibrating system undergoing simple harmonic motion is measured in? A) Newtons B) Hertz C) Meters per second D) Watts Answer: B) Hertz
6:In simple harmonic motion, when is the restoring force maximum? A) At maximum displacement B) At equilibrium position C) At half of the amplitude D) At zero displacement Answer: A) At maximum displacement
7:Which of the following graphs represents simple harmonic motion? A) Linear graph B) Parabolic graph C) Sinusoidal graph D) Exponential graph Answer: C) Sinusoidal graph
8:The maximum displacement from the equilibrium position in simple harmonic motion is called? A) Amplitude B) Frequency C) Period D) Phase Answer: A) Amplitude
9:Which of the following factors does NOT affect the time period of a simple pendulum? A) Mass of the pendulum bob B) Length of the pendulum C) Acceleration due to gravity D) Amplitude of oscillation Answer: A) Mass of the pendulum bob
10:In simple harmonic motion, the acceleration is maximum at? A) Maximum displacement B) Equilibrium position C) Half of the amplitude D) At zero displacement Answer: A) Maximum displacement
11:The force constant of a spring determines its? A) Length B) Mass C) Stiffness D) Temperature Answer: C) Stiffness
12:The displacement of a system undergoing simple harmonic motion is given by the equation? A) x = A sin(ωt) B) x = A cos(ωt) C) x = A tan(ωt) D) x = A cot(ωt) Answer: A) x = A sin(ωt)
13:The potential energy of a spring in simple harmonic motion is maximum at? A) Maximum displacement B) Equilibrium position C) Half of the amplitude D) At zero displacement Answer: A) Maximum displacement
14:In simple harmonic motion, the velocity is maximum at? A) Maximum displacement B) Equilibrium position C) Half of the amplitude D) At zero displacement Answer: B) Equilibrium position
15:The angular frequency (ω) of an oscillating system is related to the frequency (f) by? A) ω = 2πf B) ω = πf C) ω = f^2 D) ω = √f Answer: A) ω = 2πf
16:Which of the following equations represents the period of a pendulum (T) in terms of its length (l) and acceleration due to gravity (g)? A) T = 2π√(l/g) B) T = 2π(l/g) C) T = π√(l/g) D) T = π(l/g) Answer: A) T = 2π√(l/g)
17:In simple harmonic motion, the phase difference between velocity and acceleration is? A) 0° B) 45° C) 90° D) 180° Answer: C) 90°
18:The time period of a simple pendulum is independent of? A) Amplitude B) Mass of the bob C) Length of the pendulum D) Acceleration due to gravity Answer: B) Mass of the bob
19:What happens to the time period of a simple pendulum if its length is doubled? A) It becomes half B) It remains the same C) It becomes four times D) It becomes double Answer: D) It becomes double
20:The velocity of a particle undergoing simple harmonic motion is maximum at? A) Maximum displacement B) Equilibrium position C) Half of the amplitude D) At zero displacement Answer: B) Equilibrium position
These questions cover various aspects of simple harmonic motion and should provide a good review for class 9th students.
No comments:
Post a Comment