# PHYSICS MEASUREMENT

Jun 17th, 2015
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Ammeter -Measures electric current, displays its results in amperes, or amps. Sometimes called an amp meter, its purpose is to identify constant current at a fixed point. Voltmeter - Measures the potential electrical difference between two different places in an electrical circuit.

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VINAYAKA MISSIONS UNIVERSITYV.M.K.V ENGINEERING COLLEGE, SALEMAPPLIED PHYSICS QUESTION BANKPART-TIME PROGRAMMEUNIT-I CRYSTALLINE AND AMORPHOUS MATERIAL PART-A1. What are the differences between crystalline and non-crystalline materials?2. What are the Miller indices? 3. Define: unit cell4. Define: coordination number5. Write down seven crystal systems6. Define: packing factor7. What is atomic radius?8. Give the number of atoms for simple cubic structure.9. Give the number of atoms for BCC structure10. Give the number of atoms for FCC structure11. Give the number of atoms for HCP structure12. Give the atomic radius for simple cubic crystal structure.13. Give the atomic radius for BCC structure.14. Give the atomic radius for FCC structure.15. Give the atomic radius for HCP structure.16. Give the coordination number for simple cubic structure.17. Give the coordination number for BCC structure18. Give the coordination number for FCC structure19. Give the coordination number for HCP structure20. Give the packing factor for simple cubic crystal structure.21. Give the packing factor for BCC structure.22. Give the packing factor for FCC structure.23. Give the packing factor for HCP structure.24. What is point defect?25. What is dislocation?PART-B1. Explain the various types of crystal systems with neat sketch and example 2. What are Bravais lattices? Explain with neat dia

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