As you tune your radio to a higher frequency, from 88.5 FM to 103.3 FM, the wavelength of the wave that you are tuning in

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The wavelength of the wave that you are tuning in decreases.

Explanation:

The relation that relates with the speed of wave, frequency of wave and wavelength is given as

Wavelength =

The speed of the wave in a medium remains constant and therefore the wavelength is inversely proportional to the frequency of wave.

That is if the frequency is increased, the wavelength decreases and the wavelength is increased as the frequency is decreased.

Hence, as you tune your radio to a higher frequency, from 88.5 FM to 103,3 FM, the wavelength of the wave that you are tuning in decreases.

the right answer is 0.3 meters per second

the answer is the first electromagnet (a). this is because it has more coils around the ferromagnetic material. increasing the number of coils increases the surface area in which the metal interacts with the current in the coil. this enables more atoms in the metal to become aligned hence becoming more magnetized.