Wave reflection and refraction — KCSE Physics
KCSE Physics · 109 practice questions · 9 syllabus objectives
What You'll Learn
Key learning outcomes for this topic, aligned to the KNEC KCSE syllabus.
State conditions for interference, describe Young’s double slit experiment and explain constructive and destructive interference
State the laws of reflection of waves and apply them to water wave behaviour at a plane boundary
Explain refraction of waves in terms of change in speed and wavelength as the medium changes
Describe diffraction of waves through gaps and around obstacles; state the conditions for significant diffraction
Describe the ripple tank and its use to demonstrate wave properties
State the laws of reflection of waves and show reflection patterns from plane, concave and convex reflectors
Define refraction of waves and explain changes in speed, wavelength and direction at a boundary
Define diffraction and describe how gap size and wavelength affect the diffraction pattern
Wave reflection and refraction
Sample Questions
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Define wave refraction and explain how it affects the speed and direction of waves when they pass from air into water. (4 marks)
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State the two laws of reflection of waves as they apply to a plane mirror. (2 marks)
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Identify two properties of waves that can be demonstrated using a ripple tank. (2 marks)
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Why Practise Wave reflection and refraction?
KNEC Aligned
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