What Is A MP3 and WMA File || 24OnlineGroup

MP3 (MPEG-1 Audio Layer 3):

Mp3 is an audio file that has been compressed to a smaller size.
For example a normal music CD holds approximately 20 songs where as a CD filled with mp3 could contain from 150-200 songs.
You can play mp3′s CDs in most DVD players and on actual stereo Mp3 players. However the most popular way to use them is to transfer the digital mp3 file to your portable mp3 player.

Everyday Science Questions and Answers

1. Question: A man with a load jumps from a high building. What will be the load experienced by him?

Answer: Zero, because while falling, both the man and the load are falling at the same acceleration i.e. acceleration due to gravity.

2. Question: A piece of chalk when immersed in water emits bubbles. Why?