The standard reference sound level

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Reference no: EM13679578

The standard reference sound level is about:

1. The level of normal conversation

2. The threshold of pain for human hearing at 1000 Hz

3. The threshold of human hearing at 1000 Hz

4. The level of sound emitted by a standard 60 Hz tuning fork

5. The level of sound produced when the one kg standard mass is dropped 1 m onto a concrete floor

Reference no: EM13679578

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