Ultraviolet light is shone on a piece of metal that has a known work function,and electrons are observed being produced through the interaction of the light with the metal.The lamp that produces the light is now replaced with a lamp of the same intensity,but which produces photons having a shorter wavelength.What difference is observed in the number of electrons produced per unit time?
A) The same number are produced.
B) Fewer are produced .
C) Without knowing more about the wavelengths used,one cannot answer.
D) More are produced.

Question

Quizplus · Accepted Answer

The Answer of Ultraviolet light is shone on a piece of metal that has a known work function,and electrons are observed being produced through the interaction of the light with the metal.The lamp that produces the light is now replaced with a lamp of the same intensity,but which produces photons having a shorter wavelength.What difference is observed in the number of electrons produced per unit time?
A) The same number are produced.
B) Fewer are produced .
C) Without knowing more about the wavelengths used,one cannot answer.
D) More are produced.

Ultraviolet Light Is Shone on a Piece of Metal That