NOMULA KIRAN KUMAR

1 . B-TECH   ENGINEERING PHYSICS (QUSTION BANK) UNIT -1 1.       DEFINE COHESSIVE ENERGY OF A MOLECULE AND CALCULATE COHESSIVE ENERGY OF A DIATOMIC MOLECULE? 2.       (A) Define unit cell, space lattice, lattice parameters and basis? (b) Discuss about diamond structure? 3.       Discuss about seven crystal systems and their corresponding bravias lattice with the help of neat diagram? 4.       (a) State and explain Bragg’s law? (b) Explain salient features of miller indices? (c) Consider a plane whose intercepts are 4a, 2b, 2c along the axis x, y, z. calculate its miller indices 5.       What is interplaner spacing? Derive an expression for the inter planner spacing In the case of cubic structure? 6.       Show that fcc more closely packed structure than other two structures      ...

      I B.Tech      PHYSIC LAB MANUAL CLICK HERETO OPEN TO READ MANUAL

                                                     CRYSTAL STRUCTURE    video https://drive.google.com/file/d/0B6lSmx7uko8cSkxzUUFNR1l2Smc/view?usp=sharing                                                              BRAVAIS LATTICE     video https://drive.google.com/file/d/0B6lSmx7uko8cQTBaRjZ3VFZkRlU/view?usp=sharing             ...

Diploma physics 1. Units and dimensions (3marks) 1.       Mention the limitations of dimensional analysis. 2.       Give the uses of dimensional formulae. 3.       What is a dimensional formula? Write the dimension of force and momentum. 4.       What is unit? Write the names of system that unit. 5.       Write that dimensional formulae of A) work B) pressure C) acceleration due to gravity. 6.       Convert the unit of work from SI system to CGS system. 7.       Derive the formulae   using the method of dimensions. 8.       Check the correctness of the formulae   using the method of dimensions. 9.       Give the SI units of power, pressure, and angular momentum. 10.   Giv...