Multiple Choice
Which of the following continually emits electromagnetic radiation?
A) insects
B) radio antennas
C) red-hot coals
D) all of the above
E) none of the above
Correct Answer:
Verified
Correct Answer:
Verified
Related Questions
Q22: Spectral lines take the shape of vertical
Q23: The dark lines in the Sun's spectrum
Q24: Astronomers can tell whether a light source
Q25: An atom that absorbs a certain amount
Q26: The major difference between phosphorescent and fluorescent
Q28: Light at the peak frequency of an
Q29: Argon rather than air is the gas
Q30: Which of these lamps has no mercury
Q31: Some minerals glow when illuminated with ultraviolet
Q32: Helium was first discovered in the<br>A)laboratory.<br>B)upper atmosphere.<br>C)Sun.<br>D)island