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Questions and Answers
What is the upper part of a wave called?
What is the upper part of a wave called?
- Trough
- Crest (correct)
- Phase
- Wavelength
What is the distance between one positive amplitude and the next called?
What is the distance between one positive amplitude and the next called?
- Wavelength (λ) (correct)
- Wave front
- Phase
- Period (T)
What is the change in direction of a light ray when it meets an obstacle called?
What is the change in direction of a light ray when it meets an obstacle called?
- Diffraction
- Interference
- Reflection (correct)
- Refraction
What is the line drawn at a right angle at the point the incident ray strikes the reflecting surface called?
What is the line drawn at a right angle at the point the incident ray strikes the reflecting surface called?
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What is the front edge of a wave called?
What is the front edge of a wave called?
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What is the lower part of a wave called?
What is the lower part of a wave called?
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What is the distance between one positive amplitude and the next called?
What is the distance between one positive amplitude and the next called?
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Study Notes
Waves
- The upper part of a wave is called the crest.
- The front edge of a wave is called the wavefront.
Reflection
- The change in direction of a light ray when it meets an obstacle is called reflection.
- The line drawn at a right angle at the point the incident ray strikes the reflecting surface is called the normal.
Wavelength
- The distance between one positive amplitude and the next is called the wavelength.
Trough
- The lower part of a wave is called the trough.
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