Radio waves are produced by
A) electrons orbiting around the nucleus in atoms.
B) electric currents oscillating in human- made electronic devices.
C) mechanical oscillators that move air back and forth.
D) nuclear vibrations.
E) molecules in thermal motion.
Correct Answer:
Verified
Q17: A typical source of infrared radiation is
A)
Q18: The speed of light is
A) 3,000 km/s.
B)
Q19: Two single wave pulses are sent along
Q20: Are small ripples sent out across the
Q21: Which of the following represents a departure
Q23: Which part of the electromagnetic spectrum has
Q24: It is easier to significantly alter Earth's
Q25: Which of the following is a true
Q26: Small ripples on the surface of a
Q27: Different colors correspond to electromagnetic waves of
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents