Which statements are true about the speed of a wave?
A.) It’s equal to the product of wavelength and frequency.
B.) It’s the ratio of time to distance.
C.) It’s different in different materials.
D.) It depends on amplitude.

Two technicians are discussing a resistance measurement between the can-h and can-l wires. technician a says this measurement should be done with the ignition switch in the "run" position. technician b states that a measurement of 0 ohms indicates an open in the network. which technician is correct?

Which of these is constant for all types of electromagnetic radiation in a vacuum? select one: a. wavelength b. frequency c. photon energy d. amplitude e. velocity

Sunidhi made a study chart about changes in states of matter. which headings best complete the chart?