When we are talking on a mobile phone, is there any particle moving from you to another end?
Which of the following is/are true about the cell phone? (1) The innovation of the cell phone required investment of huge capital. (2) The cell phone, when invented was meant to be affordable to all. (3) The cell phone was made available to the public in a very short time from its ideation.
What is the name of the strings which vibrate in our voice box when we talk ?