An aviation communication transmitter operates at a frequency of 125 MHz.
To optimize reception, a specialized quarter-wave antenna needs a length equal to one-quarter of the wavelength of the radio waves being transmitted.
Calculate the required length of this antenna.
The speed of the radio waves is 3.00 × 108 m/s.
64 exam-style questions on Edexcel GCSE Physics 4.1 Wave properties, covering 4.1.1 Waves transfer energy and information, 4.1.2 Frequency, wavelength, amplitude, period and wavefronts, 4.1.3 Longitudinal and transverse waves, 4.1.4 The wave speed equations, 4.1.5 Measuring wave velocity, and 4.1.6 Calculating depth or distance from waves. Each one has a worked solution and a mark scheme showing where the marks go.