Text Books Book 1: Applied Physics by Dr. M. Chandra sekhar & Dr. Appala naidu, V.G.S. Book links Book 2 Introduction to Solid State Physics by C. Kittel, Wiley. Results 9 – 16 Download Applied Physics 2nd edition by Dr. P. Appala Naidu and more books of the same author and others for free. Journal of Applied Physics 68, (); . A. Ganguli, P. Appala Naidu, and D. P. Tewari, International Plasma Physics.

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Change in the direction of the bond results in the formation of different substance.

APPLIED PHYSICS.

When water is in the form of ice, hydrogen bond results in lower density; but when it melts, it becomes more closely packed liquid and hence its density increases. They have high number of free electrons. My presentations Profile Feedback Log out. The valence electrons from all the atoms belonging to the crystal are free to move throughout the crystal.

They possess high electrical and thermal conductivity. Examples of metallic solids: In solids stated as the closer collection of atoms result in bulk materials called solids. Interference and Diffraction Distinguish Waves from Particles O The key to understanding why light behaves like waves is. The arrangement of electrons in an outer physifs is achieved by a process of valence electron sharing rather than electron transfer.

For example, the diamond is the hardest substance with very high melting point. The bonds are made of attractive and repulsive forces.

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Share buttons are a little bit lower. Ionic, Covalent and metallic bondings are the examples. In an ionic crystal, a cation is surrounded by as many anions as possible and vice-versa. Palaniswamy,Scitech Publications India Pvt. Applied Physics by P. The crystal may be considered as an array of positive metal ions embedded in a cloud or sea of free electrons. In mathematics, the notion of permutation is used with several slightly different meanings, all related to the act of permuting rearranging objects.

The arrangement of electrons in an outer shell is achieved by a process of valence electron sharing rather than electron transfer. An ionic bonding is the attractive force existing between a positive ion and a negative ion when they are brought into close proximity.

Normally the states are solid state, liquid state, and gaseous state. Example of hydrogen bonded solids: They are soluble in both polar and non polar liquids.

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Free water Associated bound water. Examples of Van der Waals bonded solids: These ions are formed when the atoms of different elements involved lose or gain electrons in order to stabilize their outer shell electron configurations. They are soluble in both polar and non polar liquids. A chemical reaction is a process that leads to the transformation of one set of chemical substances to another. Since all the electrons are tightly bound with the ions, ionic solids are good insulators of electricity.

They are hard and brittle. Since no valence electrons are available, such solids are good insulators of electricity. Book links Book 2 Introduction to Solid State.

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Since different covalent solids have very much different bond strengths, they exhibit varying physical properties. For example, the diamond is the hardest papala with very high melting point. As a member of group 14 on the periodic table, it isnonmetallic. Under the bonded condition the potential energy is minimum.

They have high number of free electrons. OR Weak and temporary fluctuating dipole bonds between hydrogen are known as physsics der Waals bonding and they are nondirectoinal.

This type of bonding is called metallic bonding. Palaniswamy,Scitech Publications India Pvt. People may move up or naldu the social ladder within their lifetime or from one generation to the next. Registration Forgot your password? Hydrogen bonding and van der waals bonding are the examples. Different charge distributions in the atoms give rise to different types of bonding. When two atoms are brought closer there will be both attractive and repulsive forces acting upon.

When two atoms are brought closer there will be both attractive and repulsive forces acting upon. When water is in the form of ice, hydrogen bond results in lower density; but when it melts, it becomes more closely packed liquid and hence its density increases. Solids are usually strong and exhibit elastic character.