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Search Results for waves - All Grades

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Grade 8 Waves and Sound
The bending of a wave due to a change in its speed is
  1. interference
  2. diffraction
  3. reflection
  4. refraction
Grade 8 Waves and Sound
In a given medium, if the frequency of a wave decreases, its
  1. wavelength increases
  2. speed increases
  3. amplitude decreases
  4. wavelength decreases
Grade 8 Waves and Sound
Which type of wave is shown in the image?
Water Wave Speed - Bird
  1. seismic
  2. transverse
  3. longitudinal
  4. compression
Grade 9 Waves and Sound
Waves not only move up and down, but also move
  1. forwards
  2. backwards
  3. none of the above
  4. a and b
Grade 12 Waves and Sound
Sound waves with a frequency above 20,000 Hz are referred to as
  1. infrasonic waves
  2. ultrasonic waves
  3. sonic booms
  4. doppler waves
Grade 6 Waves and Sound
Grade 7 Waves and Sound
The distance between E and H is called                .
Transverse Wave Anatomy
  1. a crest
  2. a wavelength
  3. the amplitude
  4. the frequency
Grade 11 Waves and Sound

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