Very Important questions from previous question papers of Applied Physics 1
Short answer questions : Q1. It is easier to pull than to push a lawn roller. Why? Q2. What is difference between scalar and vector quantities ? Q3. What is difference between heat and temperature ? Q4. State triangle Law and parallelogram Law of Forces with diagrams. Q5. Define Young's modulus(Y) and bulk modulus(K) and modulus of rigidity of elasticity (n). Give mathematical expression of it and S.I. units. Q6. Small drops of mercury are spherical. Explain why ? Q7. Define viscosity, coefficient of viscosity? Write their relation and units? Q8. State and explain Stoke's law. Q9. What is Power? Give its relation with work, also write the S.I. and CGS units of Power. Q10. Friction is necessary evil. Explain why? Q11. Explain the laws of friction? Q12. State and prove principle of Homogeneity of Dimensions with example. Q13. Explain stress Strain Curve. Q14. Explain the modes of transfer of heat. Long answer questions : Q1. What do you m...