Unit 1
Q1. Define scalar and vector quantities with two examples each.
What are CGS, MKS and SI systems of units. Any two examples of each. 8
Q2. Define Physics, Necessity of Physics in everyday life Explain the Concept of least count of a measuring instrument 8
Unit 2
Q3. Differentiate between Fundamental and derived quantities: explain Concept of fundamental and derived quantities with examples. 8
Q4. Define Distance, displacement, area, volume, mass, density, velocity with their SI units8
Unit 3
Q5. Explain the importance use of lubricants, washers, ball bearings, surface coating, surface
polishing, design .State of Newton’s laws of motion, and two examples each. 8
Q6. Concept and definition of friction, types of friction .friction as an advantage and disadvantage measures to minimize undesired friction 8
Unit 4
Q7. Explain the block diagram of Computer. Also working of each block.
Difference between software and hardware. 8
Q8. Define Memory Unit. Explain relation between Bit, byte with megabyte, gigabyte, terabyte. 8
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