What minimum frequency of light is needed to eject electrons from a metal whose work function is

Question:

What minimum frequency of light is needed to eject electrons from a metal whose work function is 4.8 × 10-19 J?

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For book-img-for-question

Physics Principles with Applications

ISBN: 978-0321762429

7th edition

Authors: Douglas C. Giancoli

See More Books

Question Posted: Oct 05, 2017 09:08 AM

See More Questions

The photoelectric work function of a metal is the minimum energy needed to eject an electron by irradiating the metal with light. For calcium, this work function equals 4.34 1019 J. What is the...
The photoelectric work function for magnesium is 5.90 1019 J. (The work function is the minimum energy needed to eject an electron from the metal by irradiating it with light.) Calculate the minimum...
Sodium metal requires a photon with a minimum energy of 4.41 10-19J to emit electrons. (a) What is the minimum frequency of light necessary to emit electrons from sodium via the photoelectric...
U Ltd has three subsidiaries (one of which is dormant) and has the following results for the year to 31 December 2020: Compute the corporation tax liability for the year and state the date (or dates)...
During bad economic times, industrial workers are dismissed and are often replaced by machines. The history of 100 workers whose loss of employment is attributable to technological advances is...
Refer to Apple's balance sheet in Appendix A. What is the amount of Apple's accounts payable as of September 29, 2012?
Table B. 24 contains data on median family home rental price and other data for 51 US cities. Fit a linear regression model using the median home rental price as the response variable and median...
Acme Parts runs a small factory and employs workers who are paid one of three hourly rates depending on their shift: first shift, $17 per hour; second shift, $18.50 per hour; third shift, $22 per...
Given s(t) = 3 + 9t, where s(t) is in feet and t is in seconds, find each of the following. a) v(t) b) a(t) c) The velocity and acceleration when t = 2 sec a) v(t) = ||
IS OWNING A HOME A NET GAIN OR NET LOSS OVER TIME? Background The Carroltons are deliberating whether to purchase a house or continue to rent for the next 10 years. They are assured by both of their...
What is the momentum of a = 0.014 nm X-ray photon?
What is the longest wavelength of light that will emit electrons from a metal whose work function is 2.90 eV?
Matt Mouw is in charge of providing computing and other information technology services to his firm. Matts firm has four distinct product lines, each operated as a stand-alone business. Profit is the...
Many academic institutions offer a sabbatical policy. Every seven years a professor is given a year free of teaching and other administrative responsibilities at full pay. For a professor earning...
Why should one consider autonomous work groups, empowerment, and lean production systems when addressing issues connected with job design?
Your son has been accepted into college. This college guarantees that your sons tuition will not increase for the four years he attends college. The first $8500 tuition payment is due in six months....
Explore the connection between communication and perception.
What are ways managers can reduce labor costs?
Morgan Solar develops optical systems for concentrating sunlight on solar cells and sells the resulting solar systems in Southern California and other locations with intense direct sunlight. They...
Q1) What is the a3 Value Q2) What is the a7 Value Q3) What is the a4 Value Q4) What is the b3 Value Q5) What is the b2 Value Q6) What is the sign of 2nd constraint? A pastry chef at a bakery wants to...
A 10 000-N shark is supported by a cable attached to a 4.00-m rod that can pivot at the base. Calculate the tension in the tie-rope between the rod and the wall if it is holding the system in the...
When a person stands on tiptoe (a strenuous position), the position of the foot is as shown in Figure P12.50a. The gravitational force on the body Fg is supported by the force n exerted by the floor...
A person bending forward to lift a load with his back (Fig P12.51a) rather than with his knees can be injured by large forces exerted on the muscles and vertebrae, the spine pivots mainly at the...
Large-scale industrial production - accompanied by massive technological change, expanding international communication networks, and pro-growth government policies-generated rapid economic...
How can this relate to individuals who have had a TBI and are currently homeless or marginally housed?
1. According to Marxian theory, are crises an economic process inherent to the accumulation dynamics of current capitalism? Justify your answer. 2. According to Marxian theory, what do you consider...

What minimum frequency of light is needed to eject electrons from a metal whose work function is

Question:

Step by Step Answer:

At the minimum frequency the ...View the full answer

Physics Principles with Applications

Students also viewed these Modern Physics questions