A(n) ______________ is any circle on the surface of a sphere whose center is at the center of the sphere.
Fill in the blank(s) with correct word
Question 2
If a piece of ribbon were tied to a stretched string carrying a transverse wave, how would the ribbon be observed to oscillate?
a. Perpendicular to the wave motion
b. Parallel to the wave motion
c. Neither (A) nor (B)
d. Both (A) and (B)