Determine the width of the square well

Assignment Help Physics
Reference no: EM13302914

An electron is in the ground state of an infinite square well. The energy of the ground state is E1 = 0.72 eV.

(a) What wavelength of electromagnetic radiation would be needed to excite the electron to the n = 5 state?

nm

(b) What is the width of the square well?

nm

Reference no: EM13302914

Questions Cloud

Define networks and hardware in personal computers : From the e-Activity, determine whether you prefer a laptop or desktop. Elaborate on the features that you would want your desktop or laptop to offer, and provide an explanation of why you would want such features.
How many revolutions must the proton make : A proton in Fermilab's Tevatron is accelerated through a potential difference 2.06 MV during each revolution around the ring of radius 1.00 km. how many revolutions must the proton make
Obtain the final image distance relative to the lens : Type your question hereTwo converging lenses are separated by 23.80 cm. Determine the final image distance relative to the lens on the right
What is the pressure exerted on the surface in psi : A submerged surface has an area of 25 square feet, and the resultant force acting on it is 100 pounds, what is the pressure exerted on the surface, in psi
Determine the width of the square well : An electron is in the ground state of an infinite square well. The energy of the ground state is E1 = 0.72 eV. What is the width of the square well
Develop a mental health unit : Develop a Mental Health Unit that includes both inpatient and community outreach services - Identification of strategies and how specific goals will be developed to achieve these strategies.
Calculate the apparent porosities if the matrix is quartz : The dry weight of a core is 28.20 gm. When saturated with a brine having a density of 1.15 gm/cc, the weight increases to 31.50 gm. Calculate the apparent porosities if the matrix is 1) quartz or 2) calcite.
What is the elongation of the brass rod due to the load : A hollow circular, gray cast-iron pipe supports a red brass rod and weight W = 2 kips, as shown. The outside diameter of the pipe is d = 6". If the allowable compressive stress in the pipe is 5000 psi and the allowable shortening of the pipe is 0...
Find the final translational rms speed of the molecules : Initially, the translational rms speed of a molecule of an ideal gas is 460 m/s. The pressure and volume of this gas are kept constant, find the final translational rms speed of the molecules

Reviews

Write a Review

Physics Questions & Answers

  What is the angular velocity of precession

A uniform disk of mass 0.70 kg and radius 7.0 cm is mounted in the center of a 10 cm axle and spun at 800 rev/min. The axle is after that placed in a horizontal position with one end resting on a pivot. The other end is given an initial horizontal..

  What voltage is developed across the secondary coil

a transformer has N^1 =350 turns and N^2 =2000 turns. If the input voltage is 170V, what voltage is developed across the secondary coil?

  How much work is completed by the worker

A 110 kg mail bag hangs by a vertical rope 4.0 m long. A postal worker then displaces the bag to a position 2.0 m sideways from its original position, always keeping the rope taut. As the bag is moved to this position, how much work is completed by t..

  What is the horizontal distance covered by ball

A ball is thrown upward from the top of a building at an angle of 60.0° to the horizontal, What is the horizontal distance (in m) covered by ball before hitting the ground

  Illustrate what is the magnitude of the athlete average

The shot leaves the hand at a height of 2.110 m and at an angle of 33.60°, and it lands at a horizontal distance of 14.00 m. Illustrate what is the magnitude of the athlete's average force on the shot during the acceleration phase?

  Calculate the deceleration of the plane

A passenger plane lands on the runway at 300kmhrô???1. In a glass of water in the cabin, calculate the deceleration of the plane

  What are the two charges

Two point charges 1.9cm apart have an electric potential energy -150?J . The total charge is 30nC

  What is the magnitude of the force on block a from the hand

Three blocks, each of mass 9 kg are on a frictionless table. A hand pushes on the left most box (A) such that the three boxes accelerate in the positive horizontal direction, What is the magnitude of the force on block A from the hand

  How much time separates successive beats

A tuning fork vibrates at a frequency of 530 Hz. An out-of-tune piano string vibrates at 535 Hz. How much time separates successive beats

  Find the electric field energy density between the plates

0.0023 J of energy are stored in a parallel-plate capacitor whose plates each have area 0.30 m2, find the electric field energy density between the plates

  What is the magnitude of the net force on the motorcycle

a 250-kg motorcycle goes around an unbanked turn of radius 13.7m at a steady 96.5 km/h. What is the magnitude of the net force on the motorcycle?

  Find the net force on the motorcycle and rider

A motorcycle and rider have a total mass of 252 kg the rider applies the brakes, What is the net force (in Newtons) on the motorcycle and rider combination

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