In a resonance tube experiment, if the fundamental freque...
In a resonance tube experiment, if the fundamental frequency of the vibrating air column is 280Hz, the frequency of the third overtone is
70Hz
840Hz
1120Hz
1960Hz
Correct answer is D
F3 = 7Fo
= 7 x 280
= 1960Hz
Which of the following statements correctly describe(s) cathode rays? i. they consist of tiny par...
When electrical power is transmitted over long distances, the voltage is stepped up so that ...
If the refractive index of a medium is V2, what is the critical angle? ...
Which of the following is not a safety precaution in a nuclear station? ...
When a ray of light is incident normally on an air- glass interface, its angle of refraction is ...
Consider the wave equation: \(y = 10sin(x - 50t)\), What does the number 10 represent?...