Einstein’s photoelectric equation is given byPhysics A. 1/2 mvmax2=hf+Φ B. 1/2 mvmax2-hf = Φ C. 1/2 mvmax2=hf-Φ D. All of above are correct
Two automobiles are 150 kilometers apart and traveling toward each other. One automobile is moving at 60km/h and the other is moving at 40km/h mph. In how many hours will they meet?
The most fundamental of all sciences which provides basic principles and fundamental laws to other branches of science is
