Maharashtra Board 12th Physics 2023 : Important Practice Question Set with Solution; Check Now

Maharashtra Board 12th Physics 2023 : Important Practice Question Set with Solution; Check Now

Here are the most important practice questions for Maharashtra 12th Board Physics Exam 2023. Students who are going to appear for 12th Physics paper must go through these Physics practice questions.

You can download practice questions and improve your preparation. Physics Practice Question Set

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Most Important Practice Question - 

Chapter No 1. Rotational Dynamics

Que.1) State and prove perpendicular axes theorem.

Que.2) State and prove parallel axes theorem.

Que.3) Obtain the expression for kinetic energy of rotating body.

Que.4) Obtain the expression for torque acting on a rotating body.

Que.5) Obtain the expression for maximum speed minimum speed and optimum speed on a banked road.

Que.6) Obtain the expression for time period of a conical pendulum.

Que.7) Distinguish between centripetal and centrifugal.

Chapter No. 2 : Mechanical Properties of Fluid

Que.1) Explain in detail surface tension on the basis of molecular theory.

Que.2) Derive the relation between surface tension and surface energy.

Que.3) Explain why meniscus of some liquid in contact with the solids are convex.

Que.4) Explain why meniscus of some liquid in contact with the solids are concave.

Que.5) Obtain the expression for excess pressure inside a bubble or drop.

Que.6) Obtain the expression for terminal velocity of a drop falling in a medium.

Que.7) Obtain the expression for rise or fall of a liquid in a capillary tube.

Chapter No. 3: KTG & Radiation

Que.1) State wien's displacement law.

Que.2) State Stefan's law of radiation.

Que.3) Explain blackbody spectrum.

Que.4) Obtain the expression for RMS velocity of molecule.

Que.5) Explain ferry's black body.

Que.6) Obtain the expression for kinetic energy of molecules.

Que.7) Obtain the expression for pressure exerted by an ideal gas.

Chapter No. 4 : Thermodynamics

Que.1) State first law of thermodynamics.

Que.2) Obtain the expression for work done in isothermal process.

Que.3) Obtain the expression for work done in Adiabatic process.

Que.4) State zeroth law of thermodynamics.

Que.5) Write short note on internal energy of a gas.

Chapter No. 5: Oscillation

Que.1) Obtain differential equation of linear SHM.

Que.2) Using differential equation obtain an expression for acceleration , velocity & displacement of a particle performing SHM.

Que.3) Obtain the expression for energy of a particle performing SHM.

Que.4) Obtain the expression for time period of a simple pendulum.

Que.5) Define angular SHM and obtain the expression for differential equation of angular SHM.

Chapter No. 6: Superposition of Waves

Que.1) Distinguish between stationary wave and progressive wave.

Que.2) State properties of stationary waves.

Que.3) State properties of progressive waves.

Que.4) Obtain expression for equation of a stationary waves.

Que.5) Obtain the expression for amplitude of resultant wave produced due to
superposition of two waves.

Que.6) State laws of vibrating string.

Que.7) Explain the mode of vibration in an open pipe and a closed pipe.

Chapter No. 7: Wave Optics

Que.1) State Huygens principle

Que.2) Explain reflection on the basis of huygens principle.

Que.3) Explain the construction of plane / spherical wavefront using Huygens principle.

Que.4) Obtain the expression for fringe width by analytical mathematical method.

Que.5) State the condition for well defined and Stationary interference pattern.

Que.6) Distinguish between interference and diffraction.

Que.7) State Brewsters law.

Chapter No. 8: Electrostatics

Que.1) Derive the expression for electric intensity at a point due to a charged spherical shell or hollow sphere.

Que.2) Derive the expression for Electrical intensity at a point due to a charged infinite plane sheet.

Que.3) Obtain the expression for electric potential due to a point charge.

Que.4) Obtain the expression for potential energy of a system of two point charges.

Que.5) Explain the principle of capacitor.

Que.6) Derive the expression for capacitance of parallel plate capacitor.

Que.7) Derive the expression for effective capacitance of capacitor connected in series and parallel.

Chapter No. 9: Current Electricity.

Que.1) State kirchhoff's Current law.

Que.2) State kirchhoff's voltage law.

Que.3) Obtain the balancing condition for wheatstone bridge.

Que.4) Explain metre Bridge experiment to determine unknown resistance.

Que.5) Explain principle of Potentiometer.

Que.6) Explain the experiment to determine internal resistance of a cell by using potentiometer.

Que.7) How to convert MCG into an ammeter. Obtain necessary formula.

Que.8) How to convert MCG into an voltmeter. Obtain necessary formula.

Chapter No. 10: Magnetic Field Due to Electric Current.

Que.1) Explain the construction and working of a moving coil galvanometer.

Que.2) Obtain the expression for torque acting on a current carrying loop kept in a magnetic field.

Que.3) State Biot Savart law. Express in vector form.

Que.4) Obtain expression for magnetic field at a point due to an infinitely long straight current carrying wire by using Biot Savart law.

Que.5) State and explain Ampere's Law.

Que.6) Obtain the expression for magnetic field inside a solenoid using ampere's law.

Chapter No. 11: Magnetic Material.

Que.1) Obtain the expression for magnetic moment of a revolving electron

Que.2) what is Gyromagnetic ratio and bohr magneton.

Que.3) Define

A) Magnetic Intensity

B) Magnetic Susceptibility

C) Magnetic Permeability

D) Magnetization / Intensity Of Magnetisation

Chapter No. 12: Electromagnetic Induction

Que.1) State Faraday's law of electromagnetic induction.

Que.2) State and explain lenz law. (option)

Que.3) Obtain the expression for EMF induced in a conductor moving linearly in a magnetic field.

Que.4) What are Eddy current state application of Eddy current.

Que.5) Define self inductance and mutual inductance with their units and dimensions.

Que.6) Explain Transformer . Obtain transformer equation. what is step up and step down transformer

Que.7) Obtain the expression for energy stored in the form of magnetic field insidea Inductor.

Chapter No. 13: AC Circuit.

Que.1) Define RMS current / voltage.

Que.2) Show that in case of inductor the current lags EMF by Phase of 90 degrees.

Que.3) Show that in case of Capacitor the current leads EMF by Phase of 90 degrees.

Que.4) Obtain the expression for impedance and phase difference between current and EMF in case of LCR circuit.

Que.5) Explain the working of LC oscillation circuit.

Que.6) Explain the working of series and parallel resonance circuit.

Que.7) Characteristics of series and parallel resonance circuit.

Chapter No. 14: Dual Nature of Radiation & Matter.

Que.1) Draw a neat labelled diagram and explain the experimental setup used to study Photoelectric effect.

Que.2) State the properties and characteristics of Photoelectric effect.

Que.3) Explain the features of Photoelectric effect using Einstein postulate of quantisation of energy.

Que.4) Write short note on the Debroglie hypothesis.

Chapter No. 15: Structure Of Atoms & Nuclei.

Que.1) Explain Bohr's postulate of hydrogen atom.

Que.2) Obtain the expression for radius and velocity of electron in any Bohr's orbit.

Que.3) Derive the expression for energy of electron in an Orbit.

Que.4) State the Bohr postulates.

Que.5) Derive the formula of law of radioactive decay.

Chapter No. 16: Semiconductor Device.

Que.1) Explain the working of diode as a half wave & full wave rectifier.

Que.2) Explain the construction working and uses of photodiode.

Que.3) What is AND Gate /OR / NAND / NOR / NOT / X-OR . Draw truth table. Write Boolean equation.

Maharashtra Board Class 12 Study Material