Showing posts from February, 2023Show All
Explain why using earphones for a long time is not advisable.
We all know that the intensity of sound is inversely proportional to the square of the…
What is a perfect black body ?
A body that absorbs the entire radiation energy incident on it is called a…
Thermodynamics involved in a pressure cooker
Pressure cooker is a very common device used in cooking food by consuming …