What is the relationship between wavelength and frequency?

All electromagnetic waves, including radio waves, travel at the same constant speed: the speed of light. The fundamental relationship between them is defined by the equation: Speed = Wavelength × Frequency. Because the speed is constant, wavelength and frequency have an inverse relationship. If a wave's frequency increases (meaning more waves are generated per second), each individual wave must be physically shorter to fit within the same distance traveled in that second. Options suggesting that wavelength increases with frequency or remains constant are incorrect because they violate this basic physics principle. If they both increased together, the wave would have to travel faster than the speed of light, which is impossible.