Explain in physical terms the origin of the selection rules

Assignment Help Physics
Reference no: EM131352893

1. What is the relation between spontaneous and stimulated emission?

2. Explain in physical terms the origin of the selection rules.

3. Do all atoms pf a certain species take the same time to make a transition between a certain pair of levels?

Reference no: EM131352893

Questions Cloud

How alleles influence the inheritance of traits : Develop a chart or diagram that will illustrate how alleles influence the inheritance of traits such as through: dominant-recessive inheritance, incomplete dominance, X-linked inheritance, genomic imprinting, mutation, or polygenic inheritance
Demonstrate that the transforming principle is dna : How might 32P and 35S be used to demonstrate that the transforming principle is DNA? Briefly outline an experiment that would show that DNA rather than protein is the transforming principle.
Does it experience a field in all quantum states : Just what is the spin-orbit interaction? How does it lead to the observed fine-structure splitting of the spectral lines of the hydrogen atom?
Write a program that randomly selects letters : Write a program that randomly selects letters from the 26-letter alphabet [a,b,..., z} and forms four-letter words. Form 100 such words and see how many of these words make sense.
Explain in physical terms the origin of the selection rules : Do all atoms pf a certain species take the same time to make a transition between a certain pair of levels?
What is educational technology : Write a paragraph between 200 and 250 words answering - What is educational technology has helped you learn the most?
How tree develops when the sequence a a r d v is transmitted : How the tree develops when the sequence a a r d v is transmitted. Continue this example with the next letters in the sequence, ark.
What are the torque on the dipole : The field of an electromagnet is given by B = 0.02 + 0.0115z2, with B in tesla and z = distance in cm from the north pole of the magnet.
What methods could be used to gather such data : What methods could be used to gather such data, and how could it be used? Your posts should be of substance. There should be at least two paragraphs that address the topic

Reviews

Write a Review

Physics Questions & Answers

  Find the energy of the scattered x-ray photon

7 an x-ray tube is operating with energy of 16 keV the produced x-rays photon strike a target and are compton-scattered at an angle of 45 degrees, what is the energy of the scattered x-ray photon in ev

  Find the average power required

A 15.0 kg box is pushed up an 8.00 m long frictionless incline inclined at an angle of 30.0 degrees above the horizontal in 4.2 seconds. Find the average power required

  Find the current in the secondary

An ideal transformer's primary has 2000 turns and secondary has 50 turns. The primary is connected to a source of 120 V, Find the current in the secondary

  Frequency of the tuning fork should match that of the tube

A tuning fork with a frequency of 440 Hz is held above a resonance tube that is partially full with water. Assuming that the speed of sound in air is 342 m/s, for what three smallest heights of the air column will resonance occur?

  Calculate with what speed do you and ball move afterwards

You are standing on a sheet of ice that covers the football stadium parking lot in Buffalo; there is negligible friction between your feet and the ice. calculate with what speed do you and the ball move afterwards

  What is the net charge on the ball

A small plastic ball of mass m = 1.50 g is suspended by a string of length L = 24.5 cm in a uniform electric field, what is the net charge on the ball

  Calculate the big bang noise power that will be received

Compare the noise power calculated in Part (a) with the additional noise power received if the moon is in the antenna beam with a filling factor of 0.3

  Pulley with rotational inertia-what is angular acceleration

A pulley, with a rotational inertia of3.2×10-3 kg m2 about its axleand a radius of 6.0 cm, is acted on by a force appliedtangentially at its rim. The force magnitude varies in time as F =0.58t + 0.24t2, where F is in newtons if t is given insecond..

  What is the specific heat capacity of the specimen

A precious-stone dealer wishes to find the specific heat capacityof a 0.040-kg gemstone. What is the specific heat capacity of the specimen

  Discover maximum speed and maximum acceleration of particle

The position of a particle is given by x = 3.1 cos t, where x is in meters and t is in seconds. Discover the maximum speed and maximum acceleration of the particle.

  Compute the wind velocity

If an airplane has airspeed 100 km/hr southwest but is traveling 140 km/hr south relative to the ground

  Obtain the correct choice of lens power for eyeglasses

A farsighted boy has a near point at 2.2 m and requires eyeglasses to correct his vision. Find the correct choice of lens power for eyeglasses

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