zach8535 zach8535

05-11-2019
Physics

contestada

When light of frequency equal to 2.40 × 1015 s−1 shines on the surface of silver metal, the kinetic energy of ejected electrons is found to be 5.9 × 10−19 J. What is the work function of silver? Enter your answer in scientific notation.

Respuesta :

gatorchia gatorchia

07-11-2019

Answer: 9.98 *10^-19 J

Explanation: In order to explain this probelm we have to consider the balance enegy for photoelectric effect.

h*f-W=Ek where h is the Planck constant and W the work function and Ek the kinetic energy. f is the frequency of light.

W=h*f-Ek=6.62*10^-34*2.4*10^15-5.9*10^-19=9.98*10^-19J

Answer Link

Otras preguntas

Match Accordingly :) Minor Premise, Major Premise, Conclusion STATEMENTS: A. The American Cancer Society has stated that smoking three packs of cigarettes a day

Between which two hundreds does 384 fall

Copy Cat Copies charges 18 cents for the first copy and 12 cents for each additional copy. What is the greatest number of copies you can get for $3.00?

"the nicotine level in one dip of snuff equals that in ______ cigarettes."

"the nicotine level in one dip of snuff equals that in ______ cigarettes."

What factors contributed to the growth of trade along the Silk Road 300B.C.E - 600 C.E.

List two examples used by the authors to illustrate the precarious nature of the new country in 1789

The Walters family bought 3 ham sandwich and 4 fruit cups for lunch. Each sandwich cost $4 and each fruit cups cost $2. How much did the family spend on lunch?

What did the excavations at knossos reveal about minoan culture?

What is also known as a visual aid in a presentation? A: Background B:Animation C:Review D:Slide

Q&A Education