C. Bombarded by high-speed electrons.
D. Subjected to a small voltage.
2006-08-12 10:03:51 · 6 answers · asked by Muslim 2 in Education & Reference ➔ Home Schooling
D: subjected to a small voltage
The current that flows through a conductor can only do so by delocalised electrons. They are already in a small state of flux, an applying a bit of energy will allow some of them to be emitted.
The photoelectric effect is in the presence of ultraviolet light - this is a high energy light, so not "A: weak light"
2006-08-12 10:09:13 · answer #1 · answered by Allasse 5 · 0⤊ 3⤋
Elecrons are emitted from a conductor when the conductor is Cooled rapidly bcos when the conductor is having the room temprature the electrons in it are mobile state i.e. there is some space between them to move but when the conductor is cooled down suddenly then (1). the energy of electrons increases(2). the space decreases due to length contraction which results in collision of electron and due to this the electron are emitted from the conductor (Well i just think so)
2006-08-12 10:22:08 · answer #2 · answered by Shantanu 1 · 0⤊ 0⤋
Its D.
Think what a conductor is used for, how it it is used.
The guy that said C thinks he's steven hawkins.
A, is interesting, philisophically. The particles would be to small to register on regular tools,though interestingly, perhaps correctly, they did say a weak light, but then, thats down to measuring capabilities!
2006-08-12 10:14:59 · answer #3 · answered by ben b 5 · 0⤊ 0⤋
C.
Einstein proved that electrons are both a particle and a wave with this experiment
2006-08-12 10:06:51 · answer #4 · answered by Anonymous · 2⤊ 0⤋
I am sure this is cheating.
2006-08-12 10:06:54 · answer #5 · answered by andy_bermuda_2003 2 · 0⤊ 2⤋
someone doing their btec's?
2006-08-12 10:06:51 · answer #6 · answered by Mickenoss 4 · 0⤊ 0⤋