What will the magnetic field of a long hole pipe carrying a current will be

Red light strikes a metal surface and electrons are ejected. if violet light is now used with a 10% greater intensity, what will happen to the ejection rate (number of ejected electrons per second) and the maximum energy of the electrons? a) greater ejection rate; same maximum energyb) same ejection rate; greater maximum energyc) greater ejection rate; greater maximum energyd) same ejection rate; same maximum energye) none of the above answers are correct

The pressure proportional to the area a- inversely b- directly c- increase d-decrease

Atoms in a molecule are bonded together by sharing gaining or losing_