waves

    Cards (179)

    • What is the main focus of The PiXL Club resource?
      GCSE Physics, specifically waves
    • What types of waves are discussed in the PiXL Club resource?
      Transverse and longitudinal waves
    • What is a transverse wave?
      Particles move perpendicular to wave direction
    • Give an example of a transverse wave.
      Water waves
    • What is a longitudinal wave?
      Particles vibrate in the same direction as wave
    • Provide an example of a longitudinal wave.
      Sound waves
    • What happens to particles in a wave?
      Particles move up and down or back and forth
    • What is wavelength?
      The distance between two identical points on a wave
    • Define amplitude in the context of waves.
      Maximum displacement from undisturbed position
    • What does frequency measure?
      Number of waves passing a point per second
    • What is the period of a wave?
      Time taken to produce one complete wave
    • How is the displacement of a transverse wave described?
      As peaks and troughs
    • How is the displacement of a longitudinal wave described?
      As compressions and rarefactions
    • What is wave speed?
      Speed at which energy is transferred by the wave
    • What is the formula for wave speed?
      v=v =fλ f \lambda
    • How do you calculate the wave period?
      T=T =1/f 1 / f
    • If a wave has a frequency of 0.5 Hz, what is its period?
      2s2 s
    • Calculate the wave speed if frequency is 0.5 Hz and wavelength is 0.06 m.
      0.03m/s0.03 m/s
    • Describe the method for measuring the speed of sound in air.
      Use a cannon and stopwatch to measure time
    • What is the formula for calculating speed?
      Speed=Speed =Distance/Time Distance / Time
    • If sound travels 100 m in 0.3 s, what is its speed?
      333.3m/s333.3 m/s
    • How can sound speed be measured in a laboratory?
      Using microphones and measuring time over distance
    • What is the formula for wave period?
      Period (s) = 1 / Frequency (Hz)
    • If a wave has a frequency of 0.5Hz, what is its period?
      2 seconds
    • How do you calculate wave speed?
      Wave speed = Frequency x Wavelength
    • What is the wave speed if frequency is 0.5Hz and wavelength is 0.06m?
      0.03 m/s
    • What is the method for measuring the speed of sound waves in air?
      • Fire a cannon and start a stopwatch.
      • Stop the stopwatch when sound reaches the observer.
      • Use Speed = Distance / Time to calculate speed.
    • What is the speed of sound calculated over 100m in 0.3s?
      333.3 m/s
    • How is the speed of ripples on a water surface measured?
      • Use a ripple tank to create waves.
      • Adjust strobe light frequency until waves appear stationary.
      • Measure wavelength and calculate speed using v = f x λ.
    • If the frequency of a water wave is 5Hz and the wavelength is 0.6cm, what is the wave speed?
      0.03 m/s
    • What happens to frequency when a sound wave travels from air to water?
      Frequency remains the same.
    • How does wave speed change when sound travels from air to water?
      Sound travels faster in water than air.
    • What is the relationship between wave speed, frequency, and wavelength?
      Wave speed = Frequency x Wavelength
    • If a sound wave has a frequency of 260Hz, what is its wavelength in air where speed is 330m/s?
      1.27 m
    • What is the wavelength of a sound wave in water with a speed of 1500m/s and frequency of 260Hz?
      5.77 m
    • What happens when light waves strike a boundary?
      • Reflected
      • Absorbed
      • Transmitted
    • What is the angle of incidence equal to when light reflects off a mirror?
      Angle of reflection
    • How do sound waves cause the sensation of sound in the ear?
      They cause vibrations in the ear drum.
    • What is the human hearing range in Hz?
      20Hz to 20,000Hz
    • How are ultrasound waves used for detection?
      • Partially reflected at boundaries.
      • Time of reflections determines distance.
      • Used in medical imaging and industrial detection.
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