why do we hear the sound produced by the humming bees while the sound of vibrations of pendulum is not heard ?

Explanation

To answer the question of why we hear the sound produced by humming bees but not the sound of vibrations from a pendulum, we can break it down into the following steps:

### Step-by-Step Solution:

1. **Understanding Sound**: Sound is a mechanical wave that travels through a medium (like air) and can be detected by our ears.

2. **Audible Range of Human Hearing**: The human ear can detect sounds within a specific frequency range, known as the audible range. This range is approximately from 20 Hz to 20,000 Hz (20 kHz).

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