Grade 10 Physics · Strand 2: Waves and Optics · Properties of Waves
Fundamental Nature of Waves
A short Grade 10 Physics lesson for the CBE curriculum, part of Waves and Optics: Properties of Waves. Learn it on any phone with notes and slides, then check yourself with a quick quiz and earn XP. This lesson is free.
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1. A cork floats on a pond. As ripples pass, the cork bobs up and down but does not move towards the bank. What does this show about waves?
- A. Waves transfer energy without transporting the medium
- B. Waves carry water from the source to the bank
- C. Waves can only travel through solids
- D. Waves transfer matter but not energy
2. An electric bell is rung inside a sealed glass jar and the air is gradually pumped out. What will be observed?
- A. The sound fades away but the bell can still be seen
- B. Both the sound and the sight of the bell disappear
- C. The sound becomes louder but the bell cannot be seen
- D. The sound stays the same and the bell can still be seen
3. A ripple tank dipper vibrates at 25 Hz and produces ripples with a distance of 1.2 cm between consecutive crests. Calculate the speed of the waves in m/s.
Type your answer (in m/s) in the lesson.
4. An FM radio transmitter radiates electromagnetic waves of frequency 1.0 × 10^8 Hz. The waves travel at 3.0 × 10^8 m/s. Calculate the wavelength.
Type your answer (in m) in the lesson.
5. In a longitudinal wave, what name is given to the regions where the particles are pushed close together?
Type your answer in the lesson.
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