Data transmitted along glass-fiber cables is in the form of pulses of monochromatic red light each of Duration 2.5 ns (nanosecond). Which of the following is the best estimate of the following number wavelengths in each pulse?
a. 10 power 3
b. 10 power 6
c. 10 power 9
d. 10 power 12

Which statement describes how phase changes can be diagrammed as a substance is heated? the phase is on the y-axis and the temperature is on the x-axis. the temperature is on the y-axis and the phase is on the x-axis. the time is on the y-axis and the temperature is on the x-axis. the temperature is on the y-axis and the time is on the x-axis.

An observation that requires measurement is called quantitative observable or qualitative

Astudent completes a titration by adding 12.0 milliliters of naoh(aq) of unknown concentration to 16.0 milliliters of 0.15 m hcl(aq). what is the molar concentration of the naoh(aq)? 1)5.0 m 2)0.20 m 3)0.11 m 4)1.1 m