engineering physics 40 questions
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 ...