If you see computer science it has developed a loooooot in last 50 years.
I think mechanical engineering development is mostly in 1850 to 1950.
What about todays.
I am interested in many branches of engineering and will be in any engineering college next year but confused which to choose.
You...
Let me take you 1000 years back. At that time most part of the world (which have great contribution in basic development mathematics) are not interconnected but a thing which is found common in all of these countries is there counting (Basic assumption of mathematics). It repeats itself after...
question (1) does number of photon remain conserved.
question (2) a heater is placed in a room (temp = 24C) heater radiates energy does the number of photons in the room remain conserved. (this question is based on the last question as i think)
question(3) a hollow spherical shell of plastic (...