When ejected electrons from a photosensitive surface are confined within the material we have a
A) photovoltaic cell.
B) light-emitting diode.
C) both of these
D) none of these
Answer: A
Physics & Space Science
You might also like to view...
If during a given physical process the only force acting on an object is friction, which of the following must be assumed in regard to the object's kinetic energy?
a. decreases c. remains constant b. increases d. cannot tell from the information given
Physics & Space Science
A vertical vector of 3 units combined with a horizontal vector of 4 units has a resultant of
A) 1 unit. B) 5 units. C) 7 units.
Physics & Space Science
A carbon atom with six protons, seven neutrons, and five electrons has
Physics & Space Science
Main-sequence stars many times the mass of the Sun produce their energy by the set of nuclear reactions called the CNO cycle
a. True b. False Indicate whether the statement is true or false
Physics & Space Science