Mouse4665 Mouse4665

09-01-2024
Physics

contestada

The work function (ϕ) of some metals are listed below. The number of metals which will show the photoelectric effect when the light of 300 nm wavelength falls on the metal is:

Metal Li Na K Mg Cu Ag Fe Pt W
ϕ(eV) 2.4 2.3 2.2 3.7 4.8 4.3 4.7 6.3 4.75

A. 1
B. 2
C. 3
D. 4

Respuesta :

Otras preguntas

Root like structures found in mosses and liverworts. used to anchor plant to the substrate, may help draw water towards plant through capillary action but no sp

A table is on sale with a 40% discount off the regular price. if the regular price of the table is $224.90, what is the sale price?

A change from an inefficient mix to an efficient mix of output would best be represented with a production possibilities frontier (ppf) as a:

What is the theme of Fahrenheit 451?

Would the united states have been better off if the virginia plan had been adopted as presented? if the new jersey plan had been adopted?

A patient who adheres to the dietary laws of judaism is in traction and confined to bed. the patient needs assistance with the evening meal of chicken, rice, be

How much heat is needed to vaporize 33.3 grams of ethyl alcohol at its boiling point of 78.0°C? The latent heat of vaporization of ethyl alcohol is 857 J/g. Rou

A software development company has three jobs to do. two of the jobs require three programmers, and the other requires four. if the company employs ten programm

iguanas and similar animals are members of a group called reptiles how do reptiles differ from other animals? are land dwellers, have an endo skeleton, have int

Resistance depends on which properties of a wire

Q&A Platform for Education Platform Explore for Education