Which of the following are fundamental forces?
Direction
Speed
Both
None of these
There are four fundamental forces in nature:
Which of the following quantity remains constant in a uniform circular motion? (1) velocity (2) speed (3) both velocity and speed (4) None of these
Three resonant frequencies of a string are 90, 150 and 210 Hz.
(i) Find the highest possible fundamental frequency of vibration of this string
(ii) Which harmonics of the fundamental are the given frequencies?
(iii) Which overtones are these frequencies?