Physics/Modern Physics
CSS
The rest mass of a photon is:- A.1 amu
- B.infinite
- C.zero
- D.equal to an electron
Sciences
Physics
Mechanics, electricity, optics and modern physics.
Physics/Mechanics
Newton’s first law is also called the law of:- A.acceleration
- B.inertia
- C.action-reaction
- D.gravitation
Physics/Electricity
The SI unit of electric current is the:- A.volt
- B.ohm
- C.ampere
- D.watt