Question

We hear the sound of vibrations of wings of mosquitoes but not that of birds becauseWe hear the sound of vibrations of wings of mosquitoes but not that of birds because
1 point
Wings of birds are very big with compared to that of mosquitoes

Wings of birds do not vibrate

Frequency of vibration of wings of birds is more than 20,000 Hz

Frequency of vibration of wings of fire is less than 20 Hz​

Answer 1

Answer:6 : 5000 vibrations

Explanation: