Waves produced at the surface of water by a pencil executing vibrating motion if held vertically at a frequency of 50Hz are__________________?
Correct answer: D. both A and C
- A. Longitudinal
- B. Transverse
- C. Periodic
- D. both A and C
Explanation
The disturbance repeats at a fixed frequency of 50 Hz, so the surface waves are periodic. For ordinary water waves, the surface displacement has a transverse component, while the water particles also move in roughly circular paths, so the school-level classification is transverse and periodic. A student may choose only transverse and overlook the stated periodic nature.
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About Progressive Waves
Progressive waves transfer energy through a medium or space while particles oscillate about their equilibrium positions. The work includes amplitude, wavelength, frequency, period, phase difference, wave speed and the progressive wave equation, while distinguishing travelling waves from stationary waves, where the pattern has fixed nodes and antinodes.
Practise Waves
1,281 free Waves MCQs from Physics, each with the correct answer and an explanation. Unlimited attempts, no account needed.
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