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Questions and Answers
What is the primary characteristic of wave motion?
What is the primary characteristic of wave motion?
How does the angle of incidence relate to the angle of reflection in the context of light reflection?
How does the angle of incidence relate to the angle of reflection in the context of light reflection?
Which wave property describes the distance between successive crests in a transverse wave?
Which wave property describes the distance between successive crests in a transverse wave?
In the case of diffraction, what effect does increasing the wavelength have when passing through a narrow gap?
In the case of diffraction, what effect does increasing the wavelength have when passing through a narrow gap?
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What is the relationship between wave speed, frequency, and wavelength expressed in the equation $v = f\lambda$?
What is the relationship between wave speed, frequency, and wavelength expressed in the equation $v = f\lambda$?
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Study Notes
Unit 2: Syllabus Topic 3: Waves
- Waves transfer energy without transferring matter
- Wave motion can be illustrated by vibrations in ropes, springs, or water
- Key features of a wave: wavefront, wavelength, frequency, crest (peak), trough, amplitude, and wave speed
- Wave speed equation: v = fλ (where v = speed, f = frequency, λ = wavelength)
- Transverse waves: Vibration is perpendicular to propagation (e.g., electromagnetic radiation, water waves, seismic S-waves)
- Longitudinal waves: Vibration is parallel to propagation (e.g., sound waves, seismic P-waves)
- Wave phenomena:
- Reflection at a plane surface
- Refraction due to a change in speed (e.g., change in depth in a ripple tank)
- Diffraction through a narrow gap
- Diffraction at an edge (the effect of wavelength and gap size)
- Ripple tank experiments can demonstrate these phenomena
3.2 Light
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Reflection of light:
- Definitions: normal, angle of incidence, angle of reflection
- Formation of an optical image by a plane mirror:
- Characteristics: same size, same distance from mirror, virtual
- Law of reflection: angle of incidence = angle of reflection
- Simple constructions, measurements, and calculations for reflection by plane mirrors are important tools
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Description
Explore the fascinating world of waves and light in this quiz on Physics Unit 2. Discover the key features of different types of waves, the wave speed equation, and phenomena such as reflection, refraction, and diffraction. Test your knowledge on the principles governing wave motion and the properties of light.
