Which scientist established that the various form of energy mechanical, electrical and heat are basically the same and can be changed from one form into another...?
(A) John Dalton
(B) William Thomson
(C) Albert Einstein
(D) James Prescott Joule
✅ Correct Answer:James Prescott Joule
Comments
Which scientist established that the various form of energy mechanical, electrical and heat are basically the same and can be changed from one form into another...?
If the electrostatic force between two electrons is F Newton, then the electrostatic force between two protons at the same distance is _____...?
(A) F
(B) 0N
(C) 2F
(D) 2/3 F
✅ Correct Answer:F
Comments
If the electrostatic force between two electrons is F Newton, then the electrostatic force between two protons at the same distance is _____...?