A compass needle in a magnetic field experiences

The main difference between a radio wave and a sound wave is

Radio waves travel at the speed of light, 300,000 km/s. The wavelength of a radio wave received at 100 MHz is

Both a radio wave and light wave have identical

The fundamental frequency of a violin string is 440 hertz. The frequency of its second harmonic is

The fact that desert sand becomes very hot in the day and very cold at night is evidence that sand has a

The number of nodes in a standing wave of two wavelengths, not including the endpoints, is

When a bar magnet is thrust into a coil of wire, a greater voltage is induced with

Resonance can be viewed as forced vibration with the

In which of these locations is cosmic ray intensity greatest?