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Flashcards on Waves in Elastic Media
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What are waves in elastic media?
Waves that travel through materials like solids and liquids.
What are examples of elastic media?
Solids and liquids
What are the two types of waves in elastic media?
Longitudinal waves and transverse waves.
What are longitudinal waves?
Waves in which particles of the medium vibrate parallel to the direction of wave propagation.
What are transverse waves?
Waves in which particles of the medium vibrate perpendicular to the direction of wave propagation.
What is wavelength?
The distance between two consecutive points of a wave in the same phase.
What is amplitude?
The maximum displacement of particles from their equilibrium position.
What is frequency?
The number of wave cycles passing a fixed point per unit of time.
What is the formula to calculate wave speed?
Wave speed = frequency x wavelength
What is reflection of waves?
The bouncing back of a wave when it meets a surface or boundary that does not absorb all the wave's energy.
What is refraction of waves?
The bending of a wave as it passes obliquely from one medium to another.
What is diffraction of waves?
The spreading out of waves when they encounter an obstacle or pass through a narrow opening.
What is interference of waves?
The superposition of two or more waves resulting in a new wave pattern.
What is the principle of superposition?
When two or more waves meet at a point, the resultant displacement is equal to the algebraic sum of their individual displacements.
What is the Doppler effect?
The change in frequency or wavelength of a wave as observed by an observer moving relative to the source of the wave.
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Test Your Knowledge
Which waves vibrate parallel to the direction of wave propagation?
Transverse waves
Mechanical waves
Longitudinal waves
Electromagnetic waves
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What is the formula to calculate wave speed?
Wave speed = frequency x wavelength
Wave speed = amplitude x wavelength
Wave speed = frequency / wavelength
Wave speed = amplitude / wavelength
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What happens to the wavelength of a wave when its frequency increases?
It decreases
It increases
It remains the same
It depends on the medium
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What is the principle of superposition?
The bending of waves as they pass through a medium
The superposition of two or more waves resulting in a new wave pattern
The reflection of waves when they meet a surface
The spreading out of waves when they encounter an obstacle
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What type of wave is a sound wave?
Longitudinal wave
Transverse wave
Electromagnetic wave
Mechanical wave
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What is the phenomenon where the frequency of a wave appears to change due to relative motion between the source and the observer?
Doppler effect
Interference
Reflection
Refraction
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What is the spreading out of waves when they encounter an obstacle or pass through a narrow opening?
Reflection
Refraction
Diffraction
Interference
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What is the bouncing back of a wave when it meets a surface or boundary that does not absorb all the wave's energy?
Reflection
Refraction
Diffraction
Interference
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What is the bending of a wave as it passes obliquely from one medium to another?
Reflection
Refraction
Diffraction
Interference
Check Answers
What is the number of wave cycles passing a fixed point per unit of time?
Amplitude
Frequency
Wavelength
Wave speed
Check Answers
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