Earth is the ___ planet from the Sun.
4th
2nd
3rd
7th
Earth in term of distance from the Sun is the 3rd closest planet to the Sun which also supports life on it.
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?
The product of 3rd and 8th terms of a G.P. is 243. If its 4th term is 3, find its 7th term.