Question 1 attached.Question 2) A certain machine emits an EMR wave with a wavelength of 1.6 X 10^-11 Hz. Determine it's frequency:A. 1.7 X 10^4 mB. 1.9 X 10^19 mC. 2.0 X 10^-9 mD. 3.0 X 10^9 mQuestion 3) A cellphone emits a radio signal with a frequency of 1910MHz. Determine it's wavelength.A. 0.157 mB. 2.2 X 10^6 mC. 1.09 mD. 0.0516 m

A student was wondering why electromagnetic radiation can travel through the vacuum of outer space. The student had learned that sound cannot travel through this region. Explain why electromagnetic radiation can travel in outer space