A very long rope is made by joining two shorter stretches at its ends. The first section has a linear mass density of 10.77 g/m, while that of the second section is 6.58 g/m. the compound string is subjected to a voltage of 140 N. It is observed that for the first section a wave with a wavelength λ=14.3 cm is propagated. What will be the length of these waves when it passes to the second section?

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Electromagnetic Waves

Electromagnetic waves are waves that consist of magnetic field and electric field components perpendicular to each other. These field components are also perpendicular to the direction of propagation of the wave.