IDNLearn.com provides a platform for sharing and gaining valuable knowledge. Get prompt and accurate answers to your questions from our community of experts who are always ready to help.

Light of a given wavelength is used to illuminate the surface of a metal, however, no photoelectrons are emitted. In order to cause electrons to be ejected from the surface of this metal you should: ___________

a. use light of the same wavelength but increase its intensity.
b. use light of a shorter wavelength.
c. use light of the same wavelength but decrease its intensity.
d. use light of a longer wavelength.


Sagot :

Answer:

use light of the same wavelength but decrease it's intensity