If the intensity of sound changes (increases) by a factor of 100, the decibel level changes by a factor of
A) log 100.
B) 100.
C) 20.
D) 1.
E) 10.
C
You might also like to view...
How long can a 1-solar-mass star live?
a. 0.5 solar lifetimes b. 1 solar lifetime c. 2 solar lifetimes d. 10 solar lifetimes
Why do nocturnal animals usually have large pupils in their eyes? How is that related to the way astronomical telescopes work?
What will be an ideal response?
How do scientists estimate the age of the Solar System?
A. They measure the heat content of the planets. B. They measure the ratios of radioactive elements in rocks. C. They count the number of craters on the Moon and Mercury. D. They compare the weathering of rocks on Earth with lunar rocks. E. None of these choices are correct.
What is the average power if the current is Io sin(?t) and the voltage is Vo sin(?t)?
What will be an ideal response?