Tell me how many neutrons and how many protons are present in a single deuterium nucleus?
Explain real and virtual image?
What is the universal law of universal gravitation?
Explain nuclear fusion?
In which medium the velocity of sound is large?
By primarily using what simple machine did galileo come to the conclusion on the existence of friction?
What seven colors appear to be white when mixed together?
what is specific fuel consumption,total fuel consumption,mean effective pressure,indicated thermal efficiency...
Explain the difference between a lens and a mirror?
Explain heat treatment. Why and how is it done?
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:
-100 mmWC means how much kg/cm2
Explain how many more times louder is 70 decibels than 10 decibels?
What is black body? : quantum physics
What is a neutron?