When two organ pipes open at both ends sound a perfect fifth, such as two notes with fundamental frequencies at 440 Hz and 660 Hz, both pipes produce overtones. Which choice below correctly describes overtones present in both pipes?
a. 440, 880 and 1 320 Hz.
b. 660, 1 320 and 1 980 Hz.
c. 880, 1 320 and 1 760 Hz.
d. 1 320, 2 640 and 3 960 Hz.
e. They have no overtones in common.
D
You might also like to view...
Coulomb's Law: Two point charges each experience a 1-N electrostatic force when they are 2 cm apart. If they are moved to a new separation of 8 cm, what is the magnitude of the electric force on each of them?
A. 2 N B. 1/2 N C. 1/4 N D. 1/8 N E. 1/16 N
A pair of identical balls is connected by a massless rod, and thrown straight up into the air, such that the center of mass of the pair reaches a maximum height of 13.2 m above the point of release. On the way up, when the center of mass is at 6.6 m above to point of release, the velocity of one ball is measured to be 7.7 m/s downward. What is the velocity of the other ball at this time? Ignore air resistance.
A. 19.1 m/s up B. 3.7 m/s up C. 8.0 m/s up D. 0.3 m/s up E. 0.3 m/s down F. 3.7 m/s down
Clusters of galaxies are distributed in space ____
a. homogenously b. isotropically c. in long, narrow filaments surrounding empty voids d. statically e. in bubbles surrounded by empty walls
Momentum: A tiger is running in a straight line. If we double both the mass and speed of the tiger, the magnitude of its momentum will increase by what factor?
A. 
B. 2
C. 4
D. 8
E. 16