The speed of light is equal to
a. 5.28 × 10^7 miles per hour.
b. one meter per nanosecond.
c. one light-year per year.
d. none of the above.
c
You might also like to view...
Most of the visible light from the Sun originates in the photosphere
a. True b. False Indicate whether the statement is true or false
In what ways might a country's nuclear power industry assist that country in obtaining nuclear weapons?
A) by enriching uranium. B) by providing the knowledge that is essential to building nuclear weapons C) by producing plutonium in nuclear reactors D) All of the above. E) Actually, there is little connection between nuclear power and nuclear weapons.
In an LCR series circuit with XL > XC, the phase angle between the current and voltage phasors is 30°. If the AC frequency doubles, what is the magnitude of the resulting phase angle?
a. 30° b. less than 30° c. more than 30° d. Additional information is needed to reach a determination.
A 6.0 cm tall object is placed 20 cm in front of a convex mirror with focal -100 cm focal length. Where is the image formed?
A. 80 cm behind the mirror B. 25 cm behind the mirror C. 17 cm behind the mirror D. 17 cm in front of the mirror E. 25 cm in front of the mirror