In this article, you will get JKBOSE class 12 physics model paper for session 2024-2025. This paper has been prepared by experts and it will help you a lot in your upcoming examination.
Long Answer Questions
Q No.1: State Coulomb’s law. Express Coulomb’s law in vector form. Define unit charge?
Q No. 2: What is dipole? Derive expression of electric field due to dipole on axial line and equatorial line
Q No. 3: State and explain Gauss’s law? Derive an expression for electric field due to infinite line charge and infinite sheet?
Electric field due to solid sphere E vs R curve?
Q No. 4: State Principle of capacitor. What is parallel plate capacitor? Derive expression for capacitance of parallel plate capacitor, also capacitance with metallic plate and dielectric plate?
Q No. 5: Derive an expression for energy stored in capacitor. Expression for potential due to point charge and dipole?
Q No. 6: What do you mean by drift velocity? Obtain its expression. Obtain relation between current and drift velocity?
Q No. 7: State Ohms law. Deduce ohms law. Give the limitation of ohms law. What do you mean by
resistance and resistivity obtain its expression. On what factors it depends?
Q No. 8: State and explain Kirchhoff rules. Obtain balance condition of Wheatstone bridge using Kirchhoff rule?
Q No. 9: Define temperature dependence of resistance and resistivity?
Q No. 10: What is potentiometer? State its principle. How is potentiometer used to compare the EMF of two cells to find internal resistance?
Q No. 11: State Bio-Sarvarts law. Derive an expression of magnetic field of current carrying coil and magnetic field of st. conductor. How can you obtain direction of field?
Q No. 12: Describe construction and working of moving coil galvanometer. Define current sensitivity and sensitivity of galvanometer. Describe significance of radial field in galvanometer?
Q No. 13: Derive an expression of magnetic force acting on a current carrying conductor. Define tesla?
Q No. 14: Cyclotron construction working limitation?
Q No. 15: Derive expression for force between II conductors, definition of ampere?
Q No. 16: Properties of para, dia and Ferro domain theory of ferromagnetism?
Q No. 17: Faradays laws of emi and Lenz’s law and Lenz’s law in accordance law of conservation of energy?
Q No. 18: Self-induction and mutual induction?
Q No. 19: Describe construction and working of transformer with energy losses in transformer?
Q No. 20: LCR circuit expression for impedance and condition for resonance?
Q No. 21: AC generator construction and working?
Q No. 22: Mirror formula and lens makers formula and thin lens with assumptions and approximations?
Q No. 23: Laws of refraction and refractive index? What is total internal reflection with examples mirage critical angle?
Q No. 24: Refraction through prism and prism formula? What do you mean by dispersion? Define angular dispersion and dispersive power?
Q No. 25: Construction and working of compound microscope and telescope angular magnification?
Q No. 26: Huygens wave theory, different types of wave fronts Huygens geometrical construction and postulates?
Q No. 27: Young’s double slit experiment, condition for constructive and destructive interference. Expression for fringe width?
Q No. 28: On junction diode working formation of depletion region on junction diode as rectifier. Full wave and half wave?
Q No. 29: Transistor and working of transistor
(1) PNP
(2) NPN
Describe transistor as amplifier (CEC) configuration?
Q No. 30: Logic gates, OR gate and NOT gate with truth able. MOR gate and NAND gate as universal gate?
Q No. 31: Laws of photoelectric emission and Einstein for explanation of all the laws?
Q No. 32: Bohr’s model postulates expression for radius and energy?
Q No. 33: What do you mean by binding energy what is average binding energy. Describe variation of average binding energy with mass n. Binding energy curve?
Q No. 34: Laws of radioactivity?
Short Answer Type Questions
Q No. 1: What is equipotential surface give the properties of equality potential surface?
Q No. 2: Properties of electric lines of force electric lines of force never cross each other way?
Q No. 3: Define electric flux give its units?
Q No. 4: Potential and potential difference? Relation between E and V
Q No. 5: Polarization and electric susceptibility relation between electric susceptibility and dielectric constant?
Q No. 6: Equivalent resistance and equivalent capacitance grouping of resistors and capacitors?
Q No. 7: Prince between EMF and potential difference expression for terminal voltage?
Q No. 8: Electric power and electric energy cost of energy consumption?
Q No. 9: Elements of earth magnetism?
Q No. 10: Expression of torque acting on electric dipole in field E and torque acting on bar magnet in B?
Q No. 11: AMPERE’S value mean value of current?
Q No. 12: What is displacement current? Give the properties and the uses of EM Waves?
Q No. 13: RMS value and mean value of current?
Q No. 14: Define watt less current?
Q No. 15: Expression for impedance in LR and CR ckt?
Q No. 16: Uses of concave and convex lens?
Q No. 17: Power of a lens and its expression?
Q No. 18: What do you mean by diffraction?
Q No. 19: Zener diode as voltage regulator?
Q No. 20: Difference between insulator, semiconductor and conductor in terms of energy bands?
Q No. 21: What is doping P type and N type?
Q No. 22: De-Broglie wave equation dual nature of matter?
Q No. 23: Elements of communication. Modulation and demodulation definition. Amplitude modulation FM. Need for modulation space wave communication sky wave?
Q No. 24: What do you mean by stopping potential? Effects of frequency and intensity on stopping potential?
Q No. 25: Basic idea of fission and fusion?
Q No. 26: Give the properties of nuclear force?
Q No. 27: What is half-life period its relation with average life?
So, this is the JKBOSE model paper for class 12 physics. Share this article with your friends.