This question was inspired by a Tulu saying .
Tulu Saying ---
Tekkuna deepagu bolpu jaasti
ತೆಕ್ಕುನ ದೀಪಗು ಬೊಲ್ಪು ಜಾಸ್ತಿ .
Translation ----
tekkuna deepa = ತೆಕ್ಕುನ ದೀಪ = lamp which is going to die off / exhaust / blew off
bolpu = ಬೊಲ್ಪು = light
jaasti = ಜಾಸ್ತಿ = more
Summary ----
This saying states that the lamp / fire which is about to exhaust / die off gives looks more bright than usual . The light emitting by it is more in brightness compared to early stage.
The scientific explanation goes like this --------
When the fire is in its last stage , it has almost completely consumed the remaining air in its area. Air carries not only oxygen which will act as an oxidising agent , but also moisture.
If the fire is in a stage where there is less air for it to use , then it implies that there are less water droplets ( moisture ) too .This makes the fire to gain heat .
This heat will energise the electrons . Hotter electrons will emit more light . Hence a lamp burns brighter before it dies off .
Tulu Saying ---
Tekkuna deepagu bolpu jaasti
ತೆಕ್ಕುನ ದೀಪಗು ಬೊಲ್ಪು ಜಾಸ್ತಿ .
Translation ----
tekkuna deepa = ತೆಕ್ಕುನ ದೀಪ = lamp which is going to die off / exhaust / blew off
bolpu = ಬೊಲ್ಪು = light
jaasti = ಜಾಸ್ತಿ = more
Summary ----
This saying states that the lamp / fire which is about to exhaust / die off gives looks more bright than usual . The light emitting by it is more in brightness compared to early stage.
The scientific explanation goes like this --------
When the fire is in its last stage , it has almost completely consumed the remaining air in its area. Air carries not only oxygen which will act as an oxidising agent , but also moisture.
If the fire is in a stage where there is less air for it to use , then it implies that there are less water droplets ( moisture ) too .This makes the fire to gain heat .
This heat will energise the electrons . Hotter electrons will emit more light . Hence a lamp burns brighter before it dies off .
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