Physics for IGCSE & O level - Waves And Sounds (Section 8)

• 1

  In the metal testing diagram, what do the reflected pulses indicate?

  Antwort

  (B)

  The presence of a flaw
• 2

  What is the relationship between wavelength and frequency?

  Antwort

  (C)

  They are inversely proportional
• 3

  What is wavelength?

  Antwort

  (B)

  The distance between two crests or troughs.