Find the kinetic energy of the ejected electrons

Assignment Help Physics
Reference no: EM13694198

I need expert help to solve the above question:

Question: If UV light with a wavelength of 250 nm shines on a zinc plate with a work function of 4.31 eV,

Part A- Find the KE in eV of the ejected electrons?

Please show complete calculation thank you!

Reference no: EM13694198

Questions Cloud

Find the angular magnification : A jeweler examines a diamond with a magnifying glass. If the near-point distance of the jeweler is 20.7cm, Find the angular magnification when the diamond is held 5.71cm from the magnifying glass
Iimpact the creation of a project schedule : How do project constraints and/or assumptions impact the creation of a project schedule?
Success is measured by the amount of profit made : A leader's success is measured by the amount of profit made?
Where would charge need to be located : A +8.0nC charge is located at (x,y)=(0cm, 12cm ) and a -3.0nC charge is located (x,y)=( 3.0cm ,0cm). Where would a -8.0nC charge need to be located in order that the electric field at the origin be zero
Find the kinetic energy of the ejected electrons : If UV light with a wavelength of 250 nm shines on a zinc plate with a work function of 4.31 eV, Find the KE in eV of the ejected electrons
Discuss the management practices at enron with regard : Discuss the management practices at Enron with regard
What is the angular size of the moon : The Moon has an angular size of 0.50 degrees when viewed with unaided vision from Earth. What is the angular size of the Moon as seen through this telescope
What is the force produced by the woman : What is the force produced by the woman pushong a 80kg crate up an incline of 28 degrees at 12.5cm/s
What is the tangential speed : What is the tangential speed of the 69 kg skier feeling a centripetal force of 226 N

Reviews

Write a Review

Physics Questions & Answers

  Sound exits diffraction horn loudspeaker through rectangular

Sound exits a diffraction horn loudspeaker through a rectangularopening like a small doorway. A person is sitting at an angle off to the side of a diffraction hornthat has a width D of 0.0869 m.

  What is the acceleration of the other car as measured from

you are traveling in a car going at a constant speed of 100 kmhr down a long straight highway. you pass another car

  What is the trucks speed after the loading is completed

A dump truck, with a mass of 2030 kg, moves at a constant speed 2.23 m/s along a horizontal track. What is the truck's speed after the loading is completed

  Find the torque the net thrust produces

A model airplane with a mass of 0.743 kg is tethered by a wire so that it flies in a circle 30.4 m in radius. Find the torque the net thrust produces about the center of the circle

  Calculate the distance between the initial and final cities

A person travels by car from one city to another with different constant speeds between pairs of cities. Determine the distance between the initial and final cities along this route

  Determine the angular speed of the wheel

An automobile tire has a radius of 0.307 m, and its center moves forward with a linear speed of v = 18.3 m/s, Determine the angular speed of the wheel

  The electrons acceleration is due to two electric forces

an electron is a subatomic particle m 9.11 x 10-31 kg that is subject to electric forces. an electron moving in the x

  A if the block travels a distance of 45m along the surface

a block of mass m5.0kg is pulled along a rough horizontal surface by a rope as sketched. the tension in the rope is 40n

  Find the magnitude of magnetic field that spectrometer uses

What is the magnitude of the magnetic field that the spectrometer uses? In the operating room, anesthesiologists use mass spectrometers to monitor the respiratory gases of patients undergoing surgery

  Typical efficiency for human muscles is 20.0 percent

Find out the mutual inductance per unit length between two long solenoids, one inside the other, whose radii are r_1 and r_2 and whose turns per unit length are n_1 and n_2.

  What is the pressure at the bottom of the beaker

A circular beaker is 40 cm tall and has a radius of 2 cm. Itinitially holds water at a depth of 25cm. What is the pressure at the bottom of the beaker

  Estimate what is the speed of the aircraft

An aircraft, diving at an angle of 53with the vertical, releases a package at an altitude of 730 m. What is the speed of the aircraft

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd