What conclusion did J. Maxwell make from the fact that the speed of electromagnetic waves is equal to the speed of light?

What conclusion did J. Maxwell make from the fact that the speed of electromagnetic waves is equal to the speed of light? What is the speed of light in a vacuum?

Light is a special case of electromagnetic waves, the speed of light in a vacuum is 300,000 km / s.

Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.