A closed organ pipe has a frequency $'n'$. If its length is doubled and radius is halved, its frequency nearly becomes
halved
doubled
tripled
quadrupled
Waves of displacement amplitude $A$ and angular frequency $\omega $ travel in air with the same velocity. Which of the following waves has the highest intensity
Speed of sound waves in a fluid depends upon
When a tuning fork is vibrating, the vibrations of the two prongs
A sound absorber attenuates the sound level by $20\,\, dB$. The intensity decrease by a factor of
If $L_1$ and $L_2$ are the lengths of the first and second resonating air columns in a resonance tube, then the wavelength of the note produced is