WorksheetsCHAPTER QUIZ 2 (Waves and Optics)
Total questions: 18
Worksheet time: 45mins
In Simple Harmonic Motion, when will the magnitude of velocity be at its maximum?
At stretched phase only
At compressed phase only
At stretched and compressed phase
At equilibrium point
A mechanical system that exhibits periodic motion, which is composed of a particle-like bob suspended by a light string suspended at the upper-end.
Damped Oscillation
Spring-mass system
Simple Pendulum
Physical Pendulum
Which of the following conditions is considered so that we may identify a system as motion under simple harmonic?
It should have the presence of a retarding/ dissipative force
If there is a force that is always directed at the equilibrium position
If the system is always at the equilibrium position
If the system is constantly moving away from the equilbrium position
It is defined as the dramatic increase in the amplitude near the natural frequency.
Frequency
Wavelength
Resonance
Damping
Which of the following is NOT an example of Periodic Motion?
An object orbiting the sun.
A pendulum swinging in an isolated system.
An oscillating spring-block system
A ball falling to the ground.
What best describes a periodic motion?
Any movement of an object that is repeated in a given length of time.
Any circular motion.
Any movement of an object that has consistent patterns.
Any movement that is predictable and continues forever.
When an object undergoes simple harmonic motion, its acceleration is proportional to its displacement, and _____.
Acts in the opposite direction.
Acts in the same direction.
Acts in a perpendicular direction.
Acts in the azimuthal direction.
Refer to the image. Determine the number of wavelengths from C to K, if a wavelength is described as the horizontal distance between two points.
1 wavelength
3.5 wavelengths
4 wavelengths
2.5 wavelenghts
If an object cannot be approximated as a point mass but can oscillate about a fixed axis, it is called ______.
Simple Pendulum
Physical Pendulum
Damped Oscillation
Driven Oscillation
Statement A: In SHM, velocity is at its maximum when in equilibrium position.
Statement B: In SHM, acceleration is at its maximum when in either stretched or compressed state.
If statement A is correct and statement B is wrong.
If statement A is wrong and statement B is correct.
If both statements are correct.
If neither of the statements is correct.
RULES:
(1) Do not round off until the final answer.
(2) Use 9.8 m/s2 for acceleration due to gravity
(3) Use the proper symbol for the unit
(4) Answers should be expressed in nearest hundredths, round them off or up here.
(5) format for answer: number<space>unit
The sound wave produced by a certain machine produces a sound which oscillates at a period of 50 μs. What is the frequency of this oscillation?
(a)
RULES:
(1) Do not round off until the final answer.
(2) Use 9.8 m/s2 for acceleration due to gravity
(3) Use the proper symbol for the unit
(4) Answers should be expressed in nearest hundredths, round them off or up here.
(5) format for answer: number<space>unit
A 500 g block is attached to a spring which has a force constant of 55 N/m and oscillates on a frictionless air track. Calculate the magnitude of the total mechanical energy of the spring-block system if the block starts moving 0.3 m from the equilibrium position.
(a)
RULES:
(1) Do not round off until the final answer.
(2) Use 9.8 m/s2 for acceleration due to gravity
(3) Use the proper symbol for the unit
(4) Answers should be expressed in nearest hundredths, round them off or up here.
(5) format for answer: number<space>unit
What is the period of a simple pendulum having a length of 5.0 cm?
(a)
RULES:
(1) Do not round off until the final answer.
(2) Use 9.8 m/s2 for acceleration due to gravity
(3) Use the proper symbol for the unit
(4) Answers should be expressed in nearest hundredths, round them off or up here.
(5) format for answer: number<space>unit
A spring with a weight on it has an angular frequency of 0.70 rad/s. What is its frequency?
(a)
RULES:
(1) Do not round off until the final answer.
(2) Use 9.8 m/s2 for acceleration due to gravity
(3) Use the proper symbol for the unit
(4) Answers should be expressed in nearest hundredths, round them off or up here.
(5) format for answer: number<space>unit
Calculate the maximum acceleration of a spring-block system, which has a force constant of 35 N/m and has a mass of 600 g, and was originally displaced 0.5 cm from the equilibrium.
(a)
RULES:
(1) Do not round off until the final answer.
(2) Use 9.8 m/s2 for acceleration due to gravity
(3) Use the proper symbol for the unit
(4) Answers should be expressed in nearest hundredths, round them off or up here.
(5) format for answer: number<space>unit
A spring-mass system is oscillating in a horizontal plane, the spring constant is equal to 250 N/m and the mass attached to the spring is 3.50 kg. The system is initially displaced at +0.15 m and pushed with a velocity of +0.45 m/s. Find the amplitude of the motion.
(a)
RULES:
(1) Do not round off until the final answer.
(2) Use 9.8 m/s2 for acceleration due to gravity
(3) Use the proper symbol for the unit
(4) Answers should be expressed in nearest hundredths, round them off or up here.
(5) format for answer: number<space>unit
A spring-mass system is oscillating in a horizontal plane, the spring constant is equal to 250 N/m and the mass attached to the spring is 3.50 kg. The system is initially displaced at +0.15 m and pushed with a velocity of +0.45 m/s. Find the phase angle of the motion. Express your answer in radians.
(a)
RULES:
(1) Do not round off until the final answer.
(2) Use 9.8 m/s2 for acceleration due to gravity
(3) Use the proper symbol for the unit
(4) Answers should be expressed in nearest hundredths, round them off or up here.
(5) format for answer: number<space>unit
A 1.80 kg connecting rod from a car engine is pivoted about a horizontal knife edge as shown in the image. The center of gravity of the rod was located by balancing and is 0.200 m from the pivot. When the rod is set into small-amplitude oscillation, it makes 100 complete swings in 120 s. Calculate the moment of inertia of the rod about the rotation axis through the pivot.
(a)
