Question

please answer question 1

1. When a clean surface of silver metal is iradiated with 200-mm photons, the velocity of the
ejected electrons is 742 × 105 m/s.
a) Calculate the work function of silver in electron volts (ev.
b) What is the maximum wavelength of light that will remove an electron from silver?
View transcribed image text
Expand

Expert Answer

Want to see the step-by-step answer?

Check out a sample Q&A here.

Want to see this answer and more?

Experts are waiting 24/7 to provide step-by-step solutions in as fast as 30 minutes!*

*Response times may vary by subject and question complexity. Median response time is 34 minutes for paid subscribers and may be longer for promotional offers.
Tagged in
Science
Physics

Physics of Atoms

Related Physics Q&A

Find answers to questions asked by students like you.

Q: With regards to an electric field how do you determine the magnitude and direction of the field at a...

A: The electric field at any point is the force experienced by a test charge at that point due to the g...

Q: A thin rod consists of two parts joined together. Two-fifths of it is silver and three-fifths is gol...

A: The fractional decrease in length of the rod=∆LThe initial length of the silver rod=L0,silverThe ini...

Q: A man stands on a platform that is rotating (without friction) with an angular speed of 1.39 rev/s; ...

A: a) The law of conservation of angular momentum can be applied to the given situation. Let the initia...

Q: A ball is thrown upward from the top of a 24.2 m tall building. The ball's initial speed is 12 m/s. ...

A: Taking sign of motion in the upward direction as positive.Given,

Q: 12. The tub of a washer goes into its spin cycle, starting from rest and gaining angular speed stead...

A: Given: Case 1: when it starts from rest-Initial angular speed = 0Final angular speed = 5 rev/sTime, ...

Q: Only one of the following statements about an object executing simple harmonic motion is true. Tell ...

A: Simple harmonic motion is described as,

Q: 14. A container is filled to a depth of 20.0 cm with water. On top of the water floats a 30.0-cm-thi...

A: Absolute pressure at the bottom is,

Q: Chapter 27, Problem 007 from A wire of resistance 5.1 Ω is connected to a battery whose emf ε is 4.0...

A: (a)Write the expression for energy transferred from chemical to electrical form.

Q: A 2.41 kg the ball is attached to an unknown spring and allowed to oscillate. The figure (Figure 1) ...

A: a)The time period of the motion is,

Q: A 52.5-kg crate rests on a level floor at a shipping dock. The coefficients of static and kinetic fr...

A: The mass of the crate = 52.5 kg.The coefficient of static friction = 0.679.The coefficient of kineti...

Q: A child is riding a merry-go-round which completes one revolution every 8.36 s. The child is standin...

A: Speed of the child is,

Q: A car is driven east for a distance of 36 km, then north for 18 km, then 45degrees east of north for...

A: Follow the instruction given in the question.First, move 36 km in the east direction and then 18 km ...

Q: A fan is turned off, and its angular speed decreases from 10.0 rad/s to 6.3 rad/s in 5.0 s. What is ...

A: The expression for the angular acceleration,

Q: An unwary football player collides with a padded goalpost while running at a velocity of 6.50 m/s an...

A: Given:Initial velocity of the football player, u = 6.5 m/sFinal velocity of the football player, v =...

Q: In an oscillating LC circuit with L = 44 mH and C = 4.9 μF, the current is initially a maximum. How ...

A: Given,

Q: Torque can be calculated by multiplying the force (N) applied at 90 ∘to the lever arm at a distance ...

A: Torque is computed by taking the cross product of force and distance from the of point of force and ...

Q: An air conditioner connected to a 120 V rms ac line is equivalent to a 17.6 Ω resistance and a 1.31 ...

A: (a)The equation of the impedance of the circuit is given by

Q: A ball is thrown horizontally from the top of a building 0.10 km high. The ball strikes the ground a...

A: The speed of the ball just before it strikes a ground can be calculated in given steps.Given:

Q: Physics lab hw question

A: Hey, since there are multiple questions posted, we will answer first question. If you want any speci...

Q: More than one analyzer can be used in a setup like that in the following figure, each analyzer follo...

A: Using Malus’s law of polarization we can find the intensity of light after passing through the first...

Q: Chapter 22, Problem 053 /1 Your answer is partially correct. Try again. Two large parallel copper pl...

A: The equation for the magnitude of the force acting on a charged particle is given by

Q: Find the nth Maclaurin polynomial for the function. f(x) = sin(x),   n = 5 P5(x) =

A: The expression for the Maclaurium polynomial,

Q: Chapter 23, Problem 033 In the figure two large, thin metal plates are parallel and close to each ot...

A: The magnitude of surface charge density of the plates is 6.40×10-22 C/m2. Consider the metal plates ...

Q: A particle of mass m moves through a region of space where it is subject force to a F(x) = Foe -kx? ...

A: (a)According to the question force acts on particle along positive x direction and work done by give...

Q: Can you show how to work this please?

A: The ideal gas equation is,

Q: Suppose you use an ideal pulley of the type shown in (see attached image) to support a car engine of...

A:   a)The relation between tension and weight of load is,

Q: a fire fighting vehicle of mass 12,000 kg is at rest but free to roll with no resistance. if you pus...

A: The expression for the momentum in terms of force,

Q: Find the current in the R3 resistor in the drawing (V11 = 16.0 V, V22 = 18.0 V, V33 = 19.0 V, R11 = ...

A: Circuit diagram

Q: A traveler pulls on a suitcase strap at an angle of 36 degrees above the horizontal. If 555 J of wor...

A: The work done on the strap=555 J.The distance moved by the strap =15 m.The angle made with the horiz...

Q: When a shower is turned on in a closed bathroom, the splashing of the water on the bare tub can fill...

A: Click to see the answer

Q: A 10.6 g wire of length 84.8 cm is suspended by a pair of flexible leads in a uniform magnetic field...

A: (a)  Assume that the magnetic field is perpendicular to both length of the wire and the paper. When ...

Q: 4. (a 5) Power stations are normally far away from the customers. A transformer is often used to inc...

A: (a)The primary reason that power is transmitted at high voltage is to increase efficiency, the lower...

Q: A stone is thrown upward from a bridge at a speed of 10m/s. it narrowly misses the bridge on the way...

A: The expression for the height of the bridge from kinematics equation,

Q: A scooter has wheels with a diameter of 120 mm. What is the angular speed of the wheels when the sco...

A: The radius of the scooter wheels is,Substituting the value,

Q: At the beginning of a basketball game, a referee tosses the ball straight up with a speed of 5.1 m/s...

A: The minimum time that a player should wait can be calculated as follows:Given:Initial velocity of th...

Q: The switch in the figure is closed on a at time t = 0. What is the ratio εL/ε (a) just after t = 0 a...

A: At time t = 0, the switch is closed and the circuit is complete. As the current increase in the indu...

Q: The initial temperature of 13 moles of an ideal gas is 358 K. 18000 J of heat are added to the gas a...

A: It is given that on adding heat energy, gas gets expanded. It means that volume of gas gets changed....

Q: (a) How many significant figures are in the numbers 99.0 and 100.0?

A: The number of reliably known digits in a number is called the number of significant figures. The imp...

Q: A vertical tube one meter long is open at the top. It is filled with 75 cm of water. If the velocity...

A: The vertical tube is filled with three fourth of water. The relation between the wavelength and freq...

Q: We have 39.5 g of a particular substance. Its specific heat in solid form is 0.8 J/(g K) and its spe...

A: The unit of temperature is not given. As the unit of Temperature used in specific heat is Kelvin. So...

Q: A child is riding a merry-go-round which completes one revolution every 8.36 s. The child is standin...

A: Write the expression for angular speed of the merry-go-round.

Transcribed Image Text

1. When a clean surface of silver metal is iradiated with 200-mm photons, the velocity of the ejected electrons is 742 × 105 m/s. a) Calculate the work function of silver in electron volts (ev. b) What is the maximum wavelength of light that will remove an electron from silver?