The speed of sound is measured by a resonance tube at the room temperature once by filling the tube with water and then with glycerine as v1 and v2 . Which of the following relation relations is/are true in this context?
(a) v1 = 2v2
(b) v1 > v2
(c) v1 < v2
(d) v1 and v2 does not depend on the nature of the liquid taken in the tube.