What is energy bands, Physics

Assignment Help:

In isolated atom the valence electrons can exist only in one of the permitted orbital's every of a sharply explained energy known as energy levels. But when two molecules are brought close to every other, there are changes in energy levels and they spread in the form of bands.

 


Related Discussions:- What is energy bands

What is the initial velocity of an emitted photoelectron, The stopping pote...

The stopping potential of a photocell is 2.3 V. What is the initial velocity of an emitted photoelectron that is brought to a stop by the photocell?

Calculate three straight-line segments, In a particular region there is a u...

In a particular region there is a uniform current density of 18 A/m 2 in the positive direction. What is the value of fB·ds when that line integral is calculated along the three s

Classical free electron theory, Classical free electron theory: The ...

Classical free electron theory: The free  electron theory of metals using classical laws was developed by Dude and Lorentz in the beginning of last century. That time the va

Batteries used in the torch lights, Can the batteries used in the torch lig...

Can the batteries used in the torch lights be recharged after their discharge? Give reason? Ans) No,because the NH4Cl corrods the zn containger gradually.so with out anode redox

Determine the focal length of the lens, Q. A screen is placed 90 cm from an...

Q. A screen is placed 90 cm from an object. The image of the object on the screen is formed by a convex lens at two different locations separated by 20cm. Determine the focal lengt

Density of energy state, Q. What is the density of energy states in metals?...

Q. What is the density of energy states in metals? Obtain an expression for the density of states for free electron gas in metals.   Ans.  Density of energy state is define

Find the weekly expense on using the iron box, Q. An iron box of 400 W powe...

Q. An iron box of 400 W power is used daily for 30 minutes. If the cost per unit is 75 paise, find the weekly expense on using the iron box. Energy obsessive in 30 minutes

What instrument is utilized to measure volume, Q. What instrument is utiliz...

Q. What instrument is utilized to measure volume? Answer:- Liquid volume is measured with graduated cylinders, beakers, measuring cups, spoons and the like. For regular ob

Required viscosity and surface tension scales, A thin layer of an incompres...

A thin layer of an incompressible fluid flows steadily over a horizontal smooth plate as shown in the figure. The fluid surface is open to the atmosphere, and an obstruction having

Pn junction is represented as a diode, Pn junction is represented as a diod...

Pn junction is represented as a diode Pn junction is represented as a diode D in the emitter as represented in figure. If a voltage VBB is applied between bases with emitter op

Write Your Message!

Captcha
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