Physics
Physics, 30.12.2021 07:10, JohnBradley8657

an electron is ejected from the cathode by a photon with an energy slightly greater than the work function of the cathode. how will the final kinetic energy of the electron upon reaching the anode compare to its initial potential energy immediately after it has been ejected?

answer
Answers: 2

Other questions on the subject: Physics

image
Physics, 21.06.2019 23:30, Neko1kat
Ais useful when you need a simple machine to you separate two things. a. lever b. screw c. pulley d. wedge
Answers: 1
image
Physics, 22.06.2019 16:30, hii4199
When measuring volume, why is it important to use the correct tools and units to attain the greatest accuracy? use specific examples from the lab to support your answer. (5 points)
Answers: 1
image
Physics, 22.06.2019 22:30, milkshakegrande101
Suppose that three astronomical objects, 1, 2, and 3 are observed to lie on a line, and the distance from object 1 to object 3 is d. object 1 has four times the mass of object 3, and seven times the mass of object 2. find the distance between objects 1 and 2 for which the net force on object 2 is zero.
Answers: 1
image
Physics, 22.06.2019 23:20, pr47723
Acharge q experiences no net force at a particular point in space. which of the following situations described below must always be true? -there are no other charges nearby. -if there are other charges nearby, they must all have the same sign as q. -if there are other charges nearby, they must all have the opposite sign of q. -if there are other charges nearby, the total positive charge must equal the total negative charge. -none of the above
Answers: 2
Do you know the correct answer?
an electron is ejected from the cathode by a photon with an energy slightly greater than the work fu...

Questions in other subjects: