BSC 1st Year Physics Notes Question paper Books Download in PDF

BSC 1st Year Physics Notes

BSC Year Physics Note:-

BSC 1st Year Physics Notes
BSC 1st Year Physics Notes



B.Sc. (Part I); Paper 1 Physics


UNIT-I –  Inertial reference frame, Newson’s laws of motion, dynamics of particle in rectilinear and circular motion, conservative and non-conservative forces, conservation of energy, linear momentum and angular momentum, collision in one and two dimensional cross-section.

UNIT-II :- Rotational energy and rotational inertia for simple bodies, the combined translation and rotational motion of a rigid body on horizontal and inclined planes, simple treatment of the motions of a top. Relations between elastic constants, bending of beams and torsion of cylinder.

UNIT-III :- Central forces, two particle central force problem, reduced mass, relative and center of mass motion. Law of gravitation, Kapler’s laws. motions of planets and satellites, geo-stationary satellites.

UNIT-IV :- Simple harmonic motion, differential equation of S.H.M. and its solution, uses of complex notation, damped and forced vibrations composition of simple harmonic motion.

The differential equation of wave motion, plane progressive waves in fluid media, a reflection of waves, phase change on reflection, superposition. stationary waves, pressure and energy distribution, phase and group velocity.


भौतिक विज्ञान (यान्त्रिकी एवं तरंग गति) Physics Mechanics Wave Motion


खण्ड –  : लघु उत्तरीय प्रश्न?

UNIT-II of Mechanics Wave Motion

UNIT-III of Mechanics Wave Motion

UNIT-IV of Mechanics Wave Motion


B.Sc. (Part II) : Paper 2 Physics


अणगति सिद्धान्त एवं ऊष्मागतिकी)



Ideal Gas: Kinetic model, deduction of Boyle’s law, interpretation of temperature, estimation of rms speeds of molecules. Brownian motion estimate of the Avogadro number. Equipartition of energy, specific heat of monoatomic gas, extension to di- and tri-atomic gases, behaviour at low temperatures. Adiabatic expansion of an ideal gas, applications to atmospheric physics.

Real Gas: vander Waal’s gas, equation of state, nature of vander Waal’s forces, comparison with experimental P-V curves. The critical constants, gas and vapour, Joule expansion of ideal gas and of a vander Waal’s gas, Joule coefficient, estimates of J-T cooling.


Liquefaction of Gases: Boyle temperature and inversion temperature. Principle of regenerative cooling and of cascade cooling, liquefaction of hydrogen and helium. Refrigeration cycles, the meaning of efficiency.

Transport phenomena in Gases: Molecular collision, mean free path and collision cross-sections. Estimates of molecular diameter and mean free path. Transport of mass, momentum and energy and interrelations, dependence on temperature and pressure.


The Laws of Thermodynamics: The Zeroth law, various indicator diagrams, work done by and on the system, first law of thermodynamics. internal energy as a state function and other applications. Reversible and irreversible changes. Carnot cycle and its efficiency, Carnot theorem and the second law of thermodynamics. Different versions of the second law, practical cycles used in internal combustion engines. Entropy, principle of increase of entropy. The thermodynamic scale of temperature, its identity with the perfect gas scale. Impossibility of attaining the absolute zero, third law of thermodynamics.

Thermodynamics Relationships: Thermodynamic variables: extensive and intensive, Maxwell’s general relationships, application to Joule-Thomson cooling and adiabatic cooling in a general system,vander Waal’s gas, Clausius-Clapeyron heat equation. Thermodynamic potentials and equilibrium of thermodynamical systems, relation with thermodynamical variables. Cooling due to adiabatic demagnetization. Production and measurement of very low temperatures.


Black Body Radiation: Pure temperature dependence, Stefan Boltzmann law, pressure of radiation. Spectral distribution of black body radiation, Wein displacement law, Rayleigh-Jean’s law, Planck’s law, the ultraviolet catastrophy.

Unit I of Kinetic Theory and Thermodynamics


Unit II of Kinetic Theory and Thermodynamics


Unit III of Kinetic Theory and Thermodynamics


Unit IV of Kinetic Theory and Thermodynamics

B.Sc. (Part III); Paper 3 Physics



Growth and decay of currents through inductive resistances, charging and discharging in R.C. and R.L.C. circuits, Time constant, Measurement of high resistance by Leakage Method, A.C. Bridges, Maxwell’s and Schering’s Bridges, Wien Bridge. Thevenin, Norton, and superposition theorems and their applications.




Semiconductors, intrinsic and extrinsic semiconductors, n-type and p-type semiconductors, unbiased diode, forward bias and reverse bias diodes, diode as a rectifier, diode characteristics, zener diode, avalanche and zener breakdown, power supplies, rectifier, bridge rectifier, capacitor input filter, voltage regulation, zener regulator.

Bipolar transistors three doped regions, forward and reverse bias, D.C. alpha, D.C. beta transistor curves.




Transistor biasing circuits base bias, emitter bias, and voltage divider .bias, D.C. load line. Basic A.C. equivalent circuits, low-frequency model, small-signal amplifiers, common emitter amplifier, common collector amplifiers, and common base amplifiers, current and voltage gain, R.C. coupled amplifier, gain, frequency response, the equivalent circuit at low medium and high frequencies, feedback principles.




Input and output impedance, transistor as an oscillator, general discussion, and theory of Hartley oscillator only. Elements of transmission and reception, basic principles of amplitude modulation and demodulation. Principle and design of linear multimeters and their application, cathode ray oscilloscope, and its simple applications.



भौतिक विज्ञान

(मूल परिपथ तथा प्रारम्भिक इलेक्ट्रॉनिकी)

BSC Physics Very Short Question Answer

Derive an Expression Growth Current L-R Circuit

Capacitor Plates Function of Time

Explain Kirchhoff’s laws Current Distribution

Relevant Theory Method Determining High Resistance

Result Affected Inductance Finite Resistance

Mention Advantages over Maxwell’s Bridge

Theory Schering Bridge Determination of Capacitance

Describe Theory Wien’s Bridge With Uses

State Explain Superposition Theorem

What Semiconductor Physics Notes

Principal Features Advantages over full Wave Center Tap Rectifier

BSC Physics Define Rectifier Notes

Compare These with Half Wave Rectifier

What Voltage Regulation Notes

Discuss Various Filters Avoid Ripples Notes

Why Collector Current Bias Remains Nearly Constant

Transistor Common Emitter Configuration

Explain Working Common Base Configuration

Derive Expression Stability Factor Biasing

Transistor Biasing Mention Merits Demerits

What are Multistage Amplifier Notes

Explain the Principle of Feedback Amplifiers

Draw Circuit Diagram Emitter follower and Explain Operation

What do you mean h-parameter Notes




Inorganic Chemistry

Lower Non-Chordata

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