SIF1002 Vibrations and Waves Lecture 1 Quiz

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What is the time period, T, of an oscillation?

The angular frequency

The number of cycles per unit time

The time taken for one complete oscillation (correct)

The maximum displacement from the equilibrium position

What is the amplitude, A, in the context of periodic motion?

The time for one cycle

The number of cycles per unit time

The maximum magnitude of displacement from equilibrium (correct)

2π times the frequency

What does the frequency, f, represent in periodic motion?

The number of cycles per unit time (correct)

2π times the frequency

The time for one cycle

The maximum displacement from the equilibrium position

What is the angular frequency, 𝜔, in the context of periodic motion?

2π times the frequency Signup and view all the answers

What is the definition of vibrations?

The up and down motion of an object around a fixed position Signup and view all the answers

What causes oscillation of a system or periodic motion?

Force exerted by a spring when an object is displaced from equilibrium position Signup and view all the answers

What is the difference between simple and complex vibrations?

Simple vibrations involve a single frequency of oscillation, while complex vibrations involve multiple frequencies Signup and view all the answers

Which type of wave requires a medium to travel through?

Sound waves Signup and view all the answers

What is the amplitude of a wave?

The maximum displacement from the equilibrium position Signup and view all the answers

Which type of wave does not require a medium to travel through?

Light waves Signup and view all the answers

In the context of simple harmonic motion, what factor does the restoring force depend on?

Displacement Signup and view all the answers

Which type of wave motion is typified by the vibration of a guitar string?

Mechanical wave Signup and view all the answers

What mathematical pattern does simple harmonic motion follow?

Sine or cosine wave Signup and view all the answers

In simple harmonic motion, what does the term 'phase' refer to?

Initial position Signup and view all the answers

What type of periodic motion involves an object or system oscillating back and forth around an equilibrium position under the influence of a restoring force that is proportional to its displacement from the equilibrium?

Simple harmonic motion Signup and view all the answers

What is the relationship between wavenumber (k) and wavelength (𝜆) in one-dimensional SHM?

𝒌 = 2𝝅Τ𝝀 Signup and view all the answers

What represents the maximum displacement from the equilibrium point in simple harmonic motion (SHM)?

Amplitude Signup and view all the answers

What is the symbol used to denote the period in simple harmonic motion (SHM)?

T Signup and view all the answers

In simple harmonic motion (SHM), what is the relationship between frequency (f) and period (T)?

𝑓 = 1/Τ Signup and view all the answers

What law describes the restoring force in simple harmonic motion (SHM) when it is directly proportional to the displacement?

Hooke’s Law Signup and view all the answers