A sounding tuning fork is brought near the open end of a pipe containing air and the loudness of the sound is observed to increase. This observation is due to
an echo
resonance
interference
reverbration
Explanation
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Discussions (8)

I think resonance is the correct ans bcos a turnin fork set to vibratio z an example of force vibratio nd resonance.

please, I'm really confused about this
is it when an object vibrates with it's natural frequency or when it's vibra

please, I'm really confused about this🤔
is it when an object vibrates with it's natural frequency or when it vibrates with the frequency of the object setting it on vibration?

The phenomenon described is due to resonance.
Resonance occurs when an object vibrating at or near the natural frequency of a second object causes the second object to vibrate with greater amplitude. In this case, when the sounding tuning fork is brought near the open end of the pipe containing air, if the frequency of the tuning fork matches the natural frequency of the air column in the pipe, resonance occurs. This causes the air column to vibrate with greater amplitude, increasing the loudness of the sound.
So, the correct answer is:
B. resonance


