Explain what is a positron?
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Explain the Radiation ?
what happens when an object travels in the speed of light hits another object?
x- rays travel with the velocity of
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:
Why is diamond so bright ?
Explain about Binocular?
Explain what is neutral buoyancy?
What is Real image ?
What are isotopes?
Explain what is the rectilinear propagation of light?
On an electric schematic, what does the symbol of a horizontal line interrupted by a saw tooth shaped line represent?
Who first described how shock waves are formed?