A wave that requires a medium through wave which to travel
a) Electromagnetic wave
b) Mechanical wave
c) Longitudinal wave
d) Transverse wave
Ans: b) Mechanical wave
You might also like to view...
A telescope whose primary is a lens and contains no mirrors is a(n) _______ telescope
a. refracting b. reflecting c. deflecting d. compound e. retracting
The time from one new moon to the next is approximately
A) one week. B) two weeks. C) three weeks. D) one month. E) two months.
What kind of object do we think lies in the center of the Milky Way Galaxy?
A) a black hole of about 4 million solar masses B) a gigantic x-ray binary system C) a dense cluster of young, hot stars D) an enormous collection of dark matter, explaining why we detect no light at all from the galactic center
When a solid melts
A) the temperature of the substance increases. B) the temperature of the substance decreases. C) heat energy leaves the substance. D) heat energy enters the substance.