# 1st PUC Physics Question Bank with Answers Karnataka

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Students can also read 1st PUC Physics Model Question Papers with Answers hope will definitely help for your board exams.

## Karnataka 1st PUC Physics Question Bank with Answers

### Karnataka 1st PUC Physics Syllabus and Marking Scheme

Karnataka 1st PUC Physics Blue Print of Model Question Paper

Unit I Physical World and Measurement

Chapter 1 Physical World
Physics – scope and excitement; nature of physical laws; Physics, technology and society.

Chapter 2 Units and Measurements

• Need for measurement: Units of measurement; systems of units; SI units, fundamental and derived units. Length, mass and time measurements; accuracy and precision of measuring instruments; errors in measurement; significant figures.
• Dimensions of physical quantities, dimensional analysis and its applications.

Unit II Kinematics

Chapter 3 Motion in a Straight Line

• Frame of reference, Motion in a straight line: Position-time graph, speed and velocity.
• Elementary concepts of differentiation and integration for describing motion.Uniform and non-uniform motion, average speed and instantaneous velocity. Uniformly accelerated motion, velocity time and position-time graphs.
• Relations for uniformly accelerated motion (graphical treatment).

Chapter 4 Motion in a Plane

• Scalar and vector quantities; Position and displacement vectors, general vectors and their notations; equality of vectors, multiplication of vectors by a real number; addition and subtraction of vectors. Relative velocity. Unit vector; Resolution of a vector in a plane – rectangular components. Scalar and Vector product of vectors.
• Motion in a plane, cases of uniform velocity and uniform acceleration-projectile motion. Uniform circular motion.

Unit III Laws of Motion

Chapter 5 Laws of Motion

• Intuitive concept of force. Inertia, Newton’s first law of motion; momentum and Newton’s second law of motion; impulse; Newton’s third law of motion.
• Law of conservation of linear momentum and its applications.
• Equilibrium of concurrent forces. Static and kinetic friction, laws of friction, rolling friction, lubrication.
• Dynamics of uniform circular motion: Centripetal force, examples of circular motion (vehicle on a level circular road, vehicle on banked road).

Unit IV Work, Energy and Power

Chapter 6 Work, Engery and Power

• Work done by a constant force and a variable force; kinetic energy, work-energy theorem, power.
• Notion of potential energy, potential energy of a spring, conservative forces: conservation of mechanical energy (kinetic and potential energies); non-conservative forces: motion in a vertical circle; elastic and inelastic collisions in one and two dimensions.

Unit V Motion of System of Particles and Rigid Body

Chapter 7 System of Particles and Rotational Motion

• Centre of mass of a two-particle system, momentum conservation and centre of mass motion.
• Centre of mass of a rigid body; centre of mass of a uniform rod.
• Moment of a force, torque, angular momentum, laws of conservation of angular momentum and its applications.
• Equilibrium of rigid bodies, rigid body rotation and equations of rotational motion, comparison of linear and rotational motions.
• Moment of inertia, radius of gyration.Values of moments of inertia, for simple geometrical objects (no derivation).
• Statement of parallel and perpendicular axes theorems and their applications.

Unit VI Gravitation

Chapter 8 Gravitation

• Keplar’s laws of planetary motion.The universal law of gravitation.
• Acceleration due to gravity and its variation with altitude and depth.
• Gravitational potential energy and gravitational potential. Escape velocity. Orbital velocity of a satellite. Geo-stationary satellites.

Unit VII Properties of Bulk Matter

Chapter 9 Mechanical Properties of Solids
Elastic behaviour, Stress-strain relationship, Hooke’s law, Young’s modulus, bulk modulus, shear modulus of rigidity, Poisson’s ratio; elastic energy.

Chapter 10 Mechanical Properties of Fluids

• Pressure due to a fluid column; Pascal’s law and its applications (hydraulic lift and hydraulic brakes). Effect of gravity on fluid pressure.
• Viscosity, Stokes’ law, terminal velocity, streamline and turbulent flow, critical velocity.Bernoulli’s theorem and its applications.
• Surface energy and surface tension, angle of contact, excess of pressure across a curved surface, application of surface tension ideas to drops, bubbles and capillary rise.

Chapter 11: Thermal Properties of Matter

• Heat, temperature, thermal expansion; thermal expansion of solids, liquids and gases, anomalous expansion of water; specific heat capacity; Cp, Cv – calorimetry; change of state – latent heat capacity.
• Heat transfer-conduction, convection and radiation, thermal conductivity, Qualitative ideas of Blackbody radiation, Wein’s displacement Law, Stefan’s law, Green house effect.

Unit VIII Thermodynamics

Chapter 12 Thermodynamics

• Thermal equilibrium and definition of temperature (zeroth law of thermodynamics). Heat, work and internal energy. First law of thermodynamics. Isothermal and adiabatic processes.
• Second law of thermodynamics: reversible and irreversible processes. Heat engine and refrigerator.

Unit IX Behaviour of Perfect Gases and Kinetic Theory of Gases

Chapter 13 Kinetic Theory

• Equation of state of a perfect gas, work done in compressing a gas.
• Kinetic theory of gases – assumptions, concept of pressure. Kinetic interpretation of temperature; rms speed of gas molecules; degrees of freedom, law of equi-partition of energy (statement only) and application to specific heat capacities of gases; concept of mean free path, Avogadro’s number.

Unit X Oscillations and Waves

Chapter 14 Oscillations

• Periodic motion – time period, frequency, displacement as a function of time. Periodic functions.
• Simple harmonic motion (S.H.M) and its equation; phase; oscillations of a spring-restoring force and force constant; energy in S.H.M. Kinetic and potential energies; simple pendulum derivation of expression for its time period.
• Free, forced and damped oscillations (qualitative ideas only), resonance.

Chapter 15 Waves
Wave motion. Transverse and longitudinal waves, speed of wave motion. Displacement relation for a progressive wave. Principle of superposition of waves, reflection of waves, standing waves in strings and organ pipes, fundamental mode and harmonics, Beats, Doppler effect.

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