Class 11th physics important questions

 

Short type questions

1. What are physical quantities? What are its types?
2. What is the system of units? Explain all systems
3. What are the different methods of measuring length? Explain
4. Define significant figures? What are different rules of it?
5. What are dimensional formulas?
6. What is law of homogeneity?
7. What are the limitations of dimensional analysis?
8. What are the scalar quantities and vector quantities?
9. Define speed, velocity, average velocity, relative velocity and acceleration with example?
10. Define angular displacement, angular acceleration and angular velocity?
11. Derive the relation between linear velocity and angular velocity
12. What is dot product? Give the properties of dot product?
13. What is cross product? Give the properties of cross product?
14. Show the path travelled by the projectile is parabolic in horizontal motion or oblique motion
15. What are laws of limiting friction?
16. What are the causes of rolling friction?
17. What are conservative and non-conservative forces?
18. What is the difference between elastic and inelastic collision?
19. Find the relation between torque and angular acceleration?
20. What is moment of inertia? Give its expression?
21. What is radius of gyration? Give its expression?
22. State kepler’s law of planetary motion
23. Difference between acceleration due to gravity and universal gravitation constant
24. What is angle of friction? Derive the expression for it?
25. What is angle of repose? Derive the expression for it?

Long type questions

1. What are errors? What are different types of error, explain?
2. Derive the relations v = u + at, s = ut + 1/2 at² and v² - u² = 2as by Calcus method
3. Explain triangular law of vector? Give its analytical treatment
4. State and explain law of conservation of energy?
5. Explain parallelogram of vector? Find its resultant and direction
6. Find the time of flight, horizontal range and resultant velocity of projectile when projected in horizontal motion?
7. Explain the banking of road and derive the expression for it?
8. What is impulse? Derive the relation between impulse and momentum?
9. State and prove lami’s theorem
10. What is kinetic energy? Derive the expression for kinetic energy
11. State and prove work energy theorem
12. Derive the expression for elastic collision in one dimension?
13. What is center of mass and find the center of mass of a two particle system
14. State and prove theorem of perpendicular axes
15. State and prove theorem of parallel axes
16. Find the moment of inertia of ring
17. Find the moment of inertia of disc
18. What is effect of height on acceleration due to gravity and derive the expression for it
19. What is effect of depth on acceleration due to gravity and derive the expression for it
20. What is gravitational potential and derive the expression for gravitational potential at a point
21. What is artificial satellite? What are its types and give its uses
22. What is escape velocity? Derive the expression for it
23. What is orbital velocity? Derive the expression for it
24. Deduction of Newton's law of gravitation from kepler's law