Previous year question paper for Physics1 (Diploma Computer Engineering 1st-2nd)

1. Units and Dimensions (08 hrs)

1.1 Physical quantity (Definition only)

1.2 Units - fundamental and derived quantities and their units, SI

system and its advantages.

1.3 Dimensions and dimensional formulae of physical quantities

1.4 Dimensional equations and principle of homogeneity, applications to

conversion from one system of units to another, checking the

correctness of physical relations and derivation of simple physical

relations, limitations of dimensional analysis

1.5 Numerical on homogeneity of dimension.

2. Force and Motion (12 hrs)

2.1 Scalar and vector quantities – examples, addition and multiplication

(scalar product and vector product) of vectors

2.2 Force, resolution and composition of forces – resultant, parallelogram

law of forces, equilibrium of forces, Lami’s theorem, Forces in

nature(gravitational, electromagnetic, weak and strong force).

2.3 Concept of Linear momentum, conservation of momentum, impulse,

simple numerical problems

2.4 Circular motion – angular displacement, angular velocity and angular

acceleration

2.5 Relation between linear and angular variables (velocity and

acceleration)

2.6 Centripetal force (derivation) and centrifugal force

2.7 Banking of roads, Bending of cyclist.

3. Work, Power and Energy (10 hrs)

3.1 Work: definition and its SI units

3.2 Work done in moving an object on horizontal and inclined plane

(incorporating frictional forces)

3.3 Power: definition and its SI units, calculation of power in simple

cases

3.4 Energy: Definition and its SI units: Types: Kinetic energy and

Potential energy with examples and their derivation

3.5 Principle of conservation of mechanical energy (for freely falling

bodies), transformation of energy from one form to another

3.6 Concept of friction, cause and types, applications of friction in daily

life, methods to reduce friction. 

16

4. Rotational Motion (06 hrs)

4.1 Definitions of torque, angular momentum and their relationship

4.2 Conservation of angular momentum (qualitative) and its examples

4.3 Moment of inertia of a rigid body and its physical significance,

radius of gyration

4.4 Theorems of parallel and perpendicular axes (statements)

4.5 Moment of inertia of rod and ring.

5. Properties of Matter (10 hrs)

5.1 Elasticity, definition of stress and strain, different types of modulus

of elasticity, stress – strain diagram, Hook’s law

5.2 Pressure – its units, gauge pressure, absolute pressure,

atmospheric pressure(Definition).

5.3 Surface tension – its units, angle of contact, measurement of

surface tension by capillary tube method, applications of surface

tension, effect of temperature and impurity on surface tension

6. Thermometry (10 hrs)

6.1 Heat and temperature on the basis of K.E. of molecules

6.2 Principles of measurement of temperature and different scales of

temperature, Conversion of temperature formula and numerical.

6.3 Criteria for selection of a thermo meter.

6.4 Co-efficient of linear, surface and cubical expansions.

6.5 Modes of transfer of heat (Conduction, convection and radiation

with examples)

6.6 Co-efficient of thermal conductivity, determination of thermal

conductivity of good conductor (Searle’s method).

7. Satellites, Nuclear Reactor & Radio-activity (08 Hrs)

Concept of Natural, artificial satellite, equitorial orbit, Geo-Stationary orbit,

Polar orbit, Apogee, Perigee, inclination, Natural radioactivity, units,

concept of nuclear fission, fusion and nuclear reactor. Distinguish between

nuclear fission and nuclear fusion. Advantages and disadvantages of

nuclear fuel over fossil fuel, Use of nuclear radiations.