Why it becomes bitterly cold as soon as the snow starts
melting?
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On an electric schematic, what does the symbol of a horizontal line interrupted by a saw tooth shaped line represent?
application of optical fibers and sensors
When a bar of iron is heated,it expands. What will happen to it's weight when it is heated
Is negative mass antimatter?
Explain how spectral lines show discrete energy levels in an atom. : quantum physics
Explain heat treatment. Why and how is it done?
is a burning candle a undergoing a physicalchange
What large machine, which came on line in the summer of 2000 at the department of energys brookhaven national lab, is the world's highest energy ion collider:
How do whales sink or rise at their own will ?
A man asks his friend to meet him at the airport at 3.00pm,to drive him to an appointment.he catches an earlier plane,and arrives at the airport at 2.00pm.he decides to start walking and is picked up en route by his friend.he arrives twenty minutes early for his appointment.how long did he walk?
What is meant by energy spectrum of a black body? What do you infer from it? : quantum physics
Is exothermic reaction useful in Lasing process? give reasion of ur answere?