Frequency could be measured using which quantity?
a. meters
b. seconds
c. waves per second
d. meters per second

Which terms describe the purpose of antennas on devices that use radio waves? transmit and receivemodify and amplifyamplify and receivemodify and transmit

The energy of a photon was found to be 3.38 × 10–19 j. planck’s constant is 6.63 × 10–34 j • s. which color of light corresponds to this photon?

Diamond will scratch quartz. true or false