What is Decibel scale (db)

 🔊 In simple words:

What is Decibel scale (db)? 

The decibel scale tells us how loud a sound is, but it does not increase in a straight line—instead, it's logarithmic, meaning every 10 dB increase means the sound is 10 times more powerful.

📏 How it works:

0 dB = the threshold of hearing (the quietest sound a human can hear)

10 dB = 10 times more intense than 0 dB

20 dB = 100 times more intense than 0 dB

30 dB = 1000 times more intense than 0 dB

🔉 Common examples:

Sound Source Decibel Level (dB)

Whisper 30 dB

Normal conversation 60 dB

Busy street traffic 80 dB

Rock concert 110 dB

Jet engine (close range) 130-140 dB

Pain threshold 130 dB

⚠️ Important:

Sounds above 85 dB can cause hearing damage if you're exposed to them for long periods.

Every 3 dB increase roughly doubles the sound energy.

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