+1 PHYSICS TWO MARKS QUESTION BANK
9. What is centripetal force?
LESSON - 1 10. Define impulse or impulsive force.
1. Write a note on SI system? 11. Jumping on a concrete cemented floor is
2. Define one radian . more dangerous than jumping on the sand.
3. Define ampere. Why?
4. Write a note on parallax method. LESSON - 4
5. One Light Year. 1. Define work. Give its unit and dimension.
6. Define one astronomical unit (AU). 2. Define Energy.
7. Define accuracy and precision with numerical 3. Define kinetic energy (KE).
example. 4. Define potential energy (U).
8. Write a note on absolute errors. 5. Define work - energy theorem.
9. Define relative error. 6. Define power. Give its unit.
10. Explain the principle of homogeneity of 7. Define one watt (1 W)
dimensions 8. Define kilo watt hour.
11. Define dimensional variables. 9. Define elastic collision.
12. Define dimensionless variables 10. Define perfectly inelastic collision.
13. Define dimensional constants. 11. Define coefficient of restitution.
14. Define dimensionless constants. LESSON - 5
LESSON - 2 1. Define centre of mass.
1. Define scalar and vector. 2. Define moment of a force (or) torque.
2. Define scalar or dot product of two vectors. Give its unit.
3. Define vector or cross product of two vectors. 3. Define angular momentum.
4. How will you prove that two vector are 4. State law of conservation of angular
orthogonal? momentum.
5. State triangle law of vectors. 5. Find the relation between torque and angular
6. Define acceleration momentum.
7. Define projectile. Give examples. 6. Define couple. Give examples.
8. Give the angle of projection for which the 7. Define moment of a couple or torque.
range become maximum. 8. Define centre of gravity.
9. Define angular displacement, angular velocity 9. Define moment of inertia.
and angular acceleration. 10. Define radius of gyration.
10. Define uniform circular motion. 11. Obtain the relation between rotational
11. Define centripetal acceleration. Give the kinetic energy and angular momentum.
expression for it. LESSON - 6
12. Define non - uniform circular motion. 1. State geocentric model of Solar system.
13. Define speed and velocity. 2. State heliocentric model of Solar system.
14. What is the relative velocity? 3. State Newton’s universal law of gravitation.
15 Define one radian. 4. Define gravitational field (gravitational field
16. What is position vector? intensity).
LESSON - 3 5. Distinguish between gravitational field and
1. State Newton’s first law of motion. gravitational potential.
2. State Newton’s second law of motion. 6. Define acceleration due to gravity.
3. Define one newton (1N). 7. Define escape speed.
4. State Newton’s third law of motion. 8. Define orbital velocity of a satellite.
5. What is concurrent forces and coplanar 9. Why is the energy of a satellite
forces? 10. What are geostationary satellites?
6. What is meant by static friction? 11. What are polar satellites?
7. Under what condition will a car skid on a level
road?
8. State the law of conservation of total linear
momentum.
9. What is centripetal force?
LESSON - 1 10. Define impulse or impulsive force.
1. Write a note on SI system? 11. Jumping on a concrete cemented floor is
2. Define one radian . more dangerous than jumping on the sand.
3. Define ampere. Why?
4. Write a note on parallax method. LESSON - 4
5. One Light Year. 1. Define work. Give its unit and dimension.
6. Define one astronomical unit (AU). 2. Define Energy.
7. Define accuracy and precision with numerical 3. Define kinetic energy (KE).
example. 4. Define potential energy (U).
8. Write a note on absolute errors. 5. Define work - energy theorem.
9. Define relative error. 6. Define power. Give its unit.
10. Explain the principle of homogeneity of 7. Define one watt (1 W)
dimensions 8. Define kilo watt hour.
11. Define dimensional variables. 9. Define elastic collision.
12. Define dimensionless variables 10. Define perfectly inelastic collision.
13. Define dimensional constants. 11. Define coefficient of restitution.
14. Define dimensionless constants. LESSON - 5
LESSON - 2 1. Define centre of mass.
1. Define scalar and vector. 2. Define moment of a force (or) torque.
2. Define scalar or dot product of two vectors. Give its unit.
3. Define vector or cross product of two vectors. 3. Define angular momentum.
4. How will you prove that two vector are 4. State law of conservation of angular
orthogonal? momentum.
5. State triangle law of vectors. 5. Find the relation between torque and angular
6. Define acceleration momentum.
7. Define projectile. Give examples. 6. Define couple. Give examples.
8. Give the angle of projection for which the 7. Define moment of a couple or torque.
range become maximum. 8. Define centre of gravity.
9. Define angular displacement, angular velocity 9. Define moment of inertia.
and angular acceleration. 10. Define radius of gyration.
10. Define uniform circular motion. 11. Obtain the relation between rotational
11. Define centripetal acceleration. Give the kinetic energy and angular momentum.
expression for it. LESSON - 6
12. Define non - uniform circular motion. 1. State geocentric model of Solar system.
13. Define speed and velocity. 2. State heliocentric model of Solar system.
14. What is the relative velocity? 3. State Newton’s universal law of gravitation.
15 Define one radian. 4. Define gravitational field (gravitational field
16. What is position vector? intensity).
LESSON - 3 5. Distinguish between gravitational field and
1. State Newton’s first law of motion. gravitational potential.
2. State Newton’s second law of motion. 6. Define acceleration due to gravity.
3. Define one newton (1N). 7. Define escape speed.
4. State Newton’s third law of motion. 8. Define orbital velocity of a satellite.
5. What is concurrent forces and coplanar 9. Why is the energy of a satellite
forces? 10. What are geostationary satellites?
6. What is meant by static friction? 11. What are polar satellites?
7. Under what condition will a car skid on a level
road?
8. State the law of conservation of total linear
momentum.
