Grade 12 Wave Action Worksheet
A worksheet for Grade 12 Physics students covering wave properties, types, and phenomena.
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Wave Action: Grade 12 Physics
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Read each question carefully and answer to the best of your ability. Show all your work for calculations.
1. Which of the following best describes the relationship between wave speed (v), frequency (f), and wavelength (λ)?
v = f + λ
v = f / λ
v = fλ
v = f - λ
2. Which type of wave requires a medium for its propagation?
Electromagnetic wave
Mechanical wave
Light wave
Radio wave
3. The maximum displacement of a point of a wave from its equilibrium position is called its .
4. When two waves meet while traveling in the same medium, their displacements add together. This phenomenon is known as the principle of .
5. Describe the difference between a transverse wave and a longitudinal wave. Provide an example for each.
6. Sound waves can travel through a vacuum.
True
False
7. The frequency of a wave is inversely proportional to its period.
True
False
Match the wave phenomenon with its description.
8. Reflection
a. Bending of waves as they pass from one medium to another
9. Refraction
b. Bouncing back of waves when they hit a surface
10. Diffraction
c. Spreading out of waves as they pass through an opening or around an obstacle
11. A sound wave has a frequency of 340 Hz and a wavelength of 1.0 m. Calculate the speed of this sound wave. If this wave travels from air into water, where its speed becomes 1480 m/s, what would be its new wavelength? (Assume the frequency remains constant).