An electromagnetic wave has a frequency of 1.92 x 1013 Hz. a. What is the wavelength of the wave?

b. What type of EM wave is it?

The coefficient of friction is a number that represents the resistance to sliding between two in contact with one another.

Which of the following is not a physical property of mattera. melting pointb. heat of combustionc. viscosityd. boiling point

Sally turns on her cellular telephone to speak to her friend who is located thousands of miles away. which of the following best describes how such a telephone is able to transmit and receive information? a. the cellular telephone transmits, receives, and encodes information using only sound waves. b. the cellular telephone transmits, receives, and encodes information using only electromagnetic waves. c. the cellular telephone transmits information by electromagnetic waves to a receiver which then encodes them and produces sound. d. the cellular telephone transmits information by sound waves to a receiver which then encodes them and produces electromagnetic waves.