Questions and Answers
Which of the following is NOT a property of waves?
What is the relationship between frequency (f) and period (T) of a wave?
Which type of wave cannot travel through a vacuum?
What happens when two waves interfere constructively?
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Which of the following is an example of a transverse wave?
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Which of the following statements is TRUE about electromagnetic waves?
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Study Notes
Types of Waves
- Mechanical Waves: require a physical medium to propagate, e.g., water waves, sound waves
- Electromagnetic Waves: do not require a physical medium, e.g., light, radio waves, X-rays
Properties of Waves
- Amplitude: maximum displacement of a wave from its equilibrium position
- Wavelength: distance between two consecutive points on a wave that are in phase
- Frequency: number of oscillations or cycles per second, measured in Hz
- Speed: distance traveled by a wave per unit time, measured in m/s
- Period: time taken by a wave to complete one oscillation, measured in s
Types of Wave Motions
- Transverse Waves: particles oscillate perpendicular to the direction of wave propagation, e.g., light waves
- Longitudinal Waves: particles oscillate parallel to the direction of wave propagation, e.g., sound waves
Wave Interference
- Superposition: overlapping of two or more waves resulting in a new wave pattern
- Constructive Interference: waves combine to form a wave with increased amplitude
- Destructive Interference: waves combine to form a wave with decreased amplitude
Classification of Waves
- Mechanical Waves require a physical medium to propagate, examples include water waves and sound waves.
- Electromagnetic Waves do not require a physical medium, examples include light, radio waves, and X-rays.
Wave Properties
- Amplitude is the maximum displacement of a wave from its equilibrium position.
- Wavelength is the distance between two consecutive points on a wave that are in phase.
- Frequency is the number of oscillations or cycles per second, measured in Hz (Hertz).
- Speed is the distance traveled by a wave per unit time, measured in m/s (meters per second).
- Period is the time taken by a wave to complete one oscillation, measured in s (seconds).
Wave Motions
- Transverse Waves are waves in which particles oscillate perpendicular to the direction of wave propagation, example: light waves.
- Longitudinal Waves are waves in which particles oscillate parallel to the direction of wave propagation, example: sound waves.
Wave Interference Phenomena
- Superposition occurs when two or more waves overlap, resulting in a new wave pattern.
- Constructive Interference occurs when waves combine to form a wave with increased amplitude.
- Destructive Interference occurs when waves combine to form a wave with decreased amplitude.
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Description
Quiz on the characteristics and classification of waves, including mechanical and electromagnetic waves, and their properties such as amplitude, wavelength, frequency, and speed.