Multiple Choice
Light travels at a speed of approximately
A) 80,500 kilometers per hour (50,000 mph) .
B) 300,000 kilometers per hour (186,000 mph) .
C) 300,000 kilometers per second (186,000 mps) .
D) 1,000,000,000 kilometers per second (621,118,012 miles per second) .
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q29: The dominant wavelength of energy emitted by
Q30: The longest days of the year
Q31: The most distant galaxies yet observed are
Q38: Oxygen (O₂) is<br>A) a gas that principally
Q49: Which of the following is true?<br>A) The
Q64: Air pressure is produced through the motion,
Q92: The longest days of the year in
Q118: Earth's magnetosphere is generated by<br>A) nuclear fusion
Q123: The ozonosphere is critical to life because
Q136: Which of the following is true of