170ms-1
340ms-1
600ms-1
680ms-1
Correct answer is D
Distance = 340 x 2 = 680ms-1
i only
ii only
i and ii only
ii and iii only
Correct answer is C
No explanation has been provided for this answer.
A note is called an octave of another note when
its frequency is twice that of the first note
its frequency is half of the first note
the notes have the same fundamental frequency
its periodic time is twice that of the first note
Correct answer is A
No explanation has been provided for this answer.
200Hz
100Hz
4Hz
2Hz
Correct answer is A
F = \(\frac{1}{2L}\)\(\sqrt\frac {T}{m}\)
N:B m is mass per length
= \(\frac {0.01}{0.5}\)
= 0.02kgm-1
F = \(\frac{1}{2\times 0.5}\)\(\sqrt\frac {800}{0.02}\)
= 200Hz
i and ii only
i and iii only
ii and iii only
i,ii and iii
Correct answer is D
No explanation has been provided for this answer.