In a photoelectric-effect experiment

Assignment Help Physics
Reference no: EM13663892

In a photoelectric-effect experiment it is observed that no current flows unless the wavelength is less than 530 nm.

What is the work function of this material?

What is the stopping voltage needed if light of wavelength 410 nm is used?

Reference no: EM13663892

Questions Cloud

What is the rms speed of nitrogen molecules : The rms speed of molecules in a gas at 35.0°C is to be increased by 1.8%. To what temperature should it be raised? What is the rms speed of nitrogen molecules contained in an 8.8 m3 volume at 1.4 atm if the total amount of nitrogen is 1300 mol?
The diffraction pattern from a single slit : The diffraction pattern from a single slit (width 0.02 mm) is viewed on a screen that is 1.2 m away from the slit. If light with a wavelength of 430nm is utilized, what is the width of the central bright maximum?
Hat is the rings magnetic dipole moment : A 99.0 A current circulates around a 2.30-mm-diametersuperconducting ring. What is the ring's magnetic dipole moment? What is the on-axis magnetic field strength 5.10 cm from the ring?
Asteroid has a spherically symmetric mass distribution : Assuming that the asteroid has a spherically symmetric mass distribution, estimation the radius of the largest asteroid from which you could escape simply with jumping off. (Hint: You can estimate your jump speed by relating it to the maximum height ..
In a photoelectric-effect experiment : In a photoelectric-effect experiment it is observed that no current flows unless the wavelength is less than 530 nm. What is the work function of this material?
Region of space with nonzero electric field : If an electron is released from rest in a region of space with nonzero electric field, does the electric potential energy increase or decrease and by what amount does this change?
Centers of the next bright fringe and central bright fringe : Two thin slits separated by 0.0822 mm are illuminated with light from a He-Ne laser (λ = 633 nm), producing interference fringes on a distant screen. Discover the angle between the centers of the next bright fringe and the central bright fringe.
What was the wavelength of the photon : A gamma-ray photon creates an electron-positron pair, each with a kinetic energy of 260 keV. What was the energy of the photon? What was the wavelength of the photon?
Rifle of mass m is initially at rest but free to recoil : A rifle of a mass M is initially at rest but free to recoil. It fires a bullet of mass M and velocity v. After firing, the velocity of the rifle is ?

Reviews

Write a Review

Physics Questions & Answers

  Compute the total volume of all the cavities in the casting

An iron casting containing a number of cavities weighs 20052.8 N in air and 16121.0 N in water. What is the total volume of all the cavities in the casting

  Find the highest elevation reached by the ball

A girl kicks a ball from ground level. The initial velocity of the ball has an x component of 17 m/s and a y component of 10 m/s. What is the highest elevation reached by the ball

  Given that the capacitance of the pacemaker is 110 microf

a pacemaker sends a pulse to a patients heart every time the capacitor in the pacemaker charges to a voltage of 0.32 v.

  Q1 an aluminium block of mass m1 3 kg and a copper block of

q1. an aluminium block of mass m1 3 kg and a copper block of mass m2 8 kg are connected by a light string over a

  Calculate the power intercepted by the microphone

A certain loudspeaker (assumed to be a point source ) emits 30.0 W of sound power. Calculate the power intercepted by the microphone

  Find the magnitude of the gravitational acceleration

After landing on an unfamiliar planet, a space explorer constructs a simple pendulum of length 50.0cm. What is the magnitude of the gravitational acceleration on this planet

  Find the distance d between the door centers

A building has two open doors facing the bay. The walls of the building absorb sound well, so multiple reflections can be ignored. Two people are standing a distance L = 150 m from the wall with the open doors, as pictured.

  Determine the magnitude and coordinate direction angles

Determine the magnitude and coordinate direction angles for the resultant force of the combination of the two forces shown.

  What is the magnitude of the boys acceleration

a 26.5 kg boy slides down a steep slide at a water park that is 10.9 m long and angled 75 degrees above the ground. what is the magnitude of the boys acceleration as he travels down the slide

  Illustrate what is the magnitude of the acceleration of box

illustrate what is the magnitude of the acceleration of the box and hanging mass.

  Determine total displacement of car from itsstarting point

A car is driven east for a distance of 48km, then north for 32 km, and then in adirection 31°east of north for 25 km. Draw the vectordiagram and determine the total displacement of the car from itsstarting point.

  Estimate how much louder will the sound be

A chick farmer decides to increase the size of her flock from500 chickens to 2000 chickens. estimate how much louder will the sound be

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