Waves in air, fluids and solids exam tips

Exam tips

• Properties of waves exam tip 1

  Use precise subject-specific vocabulary when you explain how to required practical: measure wavelength using a ruler or scaled image of wavefronts..

  This keeps your answer tightly aligned to the approved learning objective for Properties of waves.

• Properties of waves exam tip 1

  Use precise subject-specific vocabulary when you explain how to required practical: determine frequency using an oscillator, signal generator or timing method where appropriate..

  This keeps your answer tightly aligned to the approved learning objective for Properties of waves.

• Properties of waves exam tip 1

  Use precise subject-specific vocabulary when you explain how to required practical: calculate wave speed from measured frequency and wavelength..

  This keeps your answer tightly aligned to the approved learning objective for Properties of waves.

• Properties of waves exam tip 1

  Use precise subject-specific vocabulary when you explain how to required practical: evaluate uncertainty and repeatability in wave-speed measurements..

  This keeps your answer tightly aligned to the approved learning objective for Properties of waves.

• Reflection and refraction of waves exam tip 1

  Use precise subject-specific vocabulary when you explain how to describe reflection as a change in direction when a wave meets a boundary and remains in the same medium..

  This keeps your answer tightly aligned to the approved learning objective for Reflection and refraction of waves.

• Reflection and refraction of waves exam tip 1

  Use precise subject-specific vocabulary when you explain how to state that the angle of incidence equals the angle of reflection for reflection from a plane surface..

  This keeps your answer tightly aligned to the approved learning objective for Reflection and refraction of waves.

• Reflection and refraction of waves exam tip 1

  Use precise subject-specific vocabulary when you explain how to draw and label the normal, incident ray and reflected ray in a reflection diagram..

  This keeps your answer tightly aligned to the approved learning objective for Reflection and refraction of waves.

• Reflection and refraction of waves exam tip 1

  Use precise subject-specific vocabulary when you explain how to explain refraction as a change in direction when a wave changes speed at a boundary between media..

  This keeps your answer tightly aligned to the approved learning objective for Reflection and refraction of waves.

• Reflection and refraction of waves exam tip 1

  Use precise subject-specific vocabulary when you explain how to describe how refraction depends on a change in wave speed..

  This keeps your answer tightly aligned to the approved learning objective for Reflection and refraction of waves.

• Reflection and refraction of waves exam tip 1

  Use precise subject-specific vocabulary when you explain how to distinguish reflection from refraction in wave-boundary contexts..

  This keeps your answer tightly aligned to the approved learning objective for Reflection and refraction of waves.