AP Inter 2nd Year Physics 4 Marks Important Questions 2025: Board of Intermediate Education, Andhra Pradesh (BIEAP) will conduct the AP Inter 2nd Year Physics 2025 on March 12, 2025. The Physics examination will be conducted for a span of 3 hours, i.e., from 9 AM to 12 PM. Students who have opted for a Phsyics paper and will be appearing for it must check the AP Inter 2nd Year Physics 4 Marks Important Questions 2025 provided here. Practicing these questions will help the students to solve these types of questions efficiently and will also boost their confidence.
Students must note that the important questions carrying 4 marks in the Physics paper of the AP Inter 2nd Year 2025 have been provided for various chapters, such as Optics, Electric Charges and Fields, Semiconductor Devices, Atoms, and many more.
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AP Inter 2nd Year Physics 4 Marks Important Questions 2025
Students can check the AP Inter 2nd Year Physics Important Questions 2025 carrying 4 marks in the table below:
| AP Inter 2nd Year Physics 4 Marks Important Questions 2025 |
| Optics and Wave Optics |
| Q. Explain why the magnification is not uniform when a mobile phone lies along the principal axis of a concave mirror longitudinally. |
| Q. Explain the Cartesian sign convention for mirrors. |
| Q. Define critical angle. Explain total internal reflection using a neat diagram. |
| Q. Explain the formation of a mirage. |
| Q. Explain the formation of a rainbow. |
| Q. Why does the setting sun appear red? |
| Q. Explain Doppler effect in light. Distinguish between red shift and blue shift. |
| Q. What is total internal reflection? Explain the phenomenon using Huygens principle. |
| Q. Derive the expression for the intensity at a point where interference of light occurs. Arrive at the conditions for maximum and zero intensity. |
| Q. Does the principle of conservation of energy hold for interference and diffraction phenomena? Explain briefly. |
| Q. How do you determine the resolving power of your eye? |
| Q. Discuss the intensity of transmitted light when a Polaroid sheet is rotated between two crossed Polaroids. |
| Q. What is polarization of light? Explain Brewster’s law. |
| Electric Charges and Fields |
| Q. State and explain Coulomb’s inverse square law in electricity. |
| Q. Define intensity of electric field at a point. Derive an expression for the intensity due to a point charge. |
| Q. Derive the equation for the couple acting on an electric dipole in a uniform electric field. |
| Q. Derive an expression for the intensity of the electric field at a point on the axial line of an electric dipole. |
| Q. Derive an expression for the intensity of the electric field at a point on the equatorial plane of an electric dipole. |
| Q. State Gauss’s law in electrostatics and explain its importance. |
| Electrostatic Potential and Capacitance |
| Q. Derive an expression for the electric potential due to a point charge. |
| Q. Derive an expression for the electrostatic potential energy of a system of two point charges and find its relation with electric potential of a charge. |
| Q. Derive an expression for the potential energy of an electric dipole placed in a uniform electric field. |
| Q. Derive the formula for equivalent capacitance in series combination. |
| Q. Derive the formula for equivalent capacitance in parallel combination. |
| Q. Derive an expression for the energy stored in a capacitor. What is the energy stored when the space between the plates is filled with a dielectric? a) With charging battery disconnected? b) With charging battery connected in the circuit? |
| Moving Charges and Magnetism |
| Q. State and explain Biot-Savart law. |
| Q. State and explain Ampere’s law. |
| Q. Obtain an expression for the torque on a current carrying loop placed in a uniform magnetic field. |
| Q. Describe the construction and working of a moving coil galvanometer. |
| Q. Find the magnetic induction due to a long current carrying conductor. |
| Q. Derive an expression for the magnetic induction at the centre of a current carrying circular coil using Biot-Savart law. |
| Q. Derive an expression for the magnetic induction at a point on the axis of a current carrying circular coil using Biot-Savart law. |
| Q. Obtain an expression for the magnetic dipole moment of a current loop. |
| Q. Derive an expression for the magnetic dipole moment of a revolving electron. |
| Q. Explain how crossed E and B fields serve as a velocity selector. |
| Q. What are the basic components of a cyclotron? Mention its uses. |
| Electromagnetic Induction |
| Q. Obtain an expression for the emf induced across a conductor which is moved in a uniform magnetic field which is perpendicular to the plane of motion. |
| Q. What are Eddy currents? Describe the ways in which Eddy currents are used to advantage. |
| Q. Obtain an expression for the mutual inductance of two long coaxial solenoids. |
| Q. Obtain an expression for the magnetic energy stored in a solenoid in terms of the magnetic field, area and length of the solenoid. |
| Atoms |
| Q. What is impact parameter and angle of scattering? How are they related to each other? |
| Q. Derive an expression for potential and kinetic energy of an electron in any orbit of a hydrogen atom according to Bohr’s atomic model. How does P.E. change with increasing n. |
| Q. What are the limitations of Bohr’s theory of hydrogen atom? |
| Q. Explain the distance of closest approach and impact parameter. |
| Q. Give a brief account of Thomson model of atom. What are its limitations? |
| Q. Describe Rutherford atom model. What are the draw backs of this model? |
| Q. Distinguish between excitation potential and ionization potential. |
| Q. Explain the different types of spectral series. |
| Q. Write a short note on Debroglie’s explanation of Bohr’s second postulate of quantization. |
| Semiconductor Devices |
| Q. What are n-type and p-type semiconductors? How is a semiconductor junction formed? |
| Q. Discuss the behaviour of p-n junction. How does a potential barrier develop at the junction? |
| Q. Draw and explain the current-voltage (I-V) characteristic curves of a junction diode in forward and reverse bias. |
| Q. Describe how a semiconductor diode is used as a half wave rectifier. |
| Q. What is rectification? Explain the working of a full wave rectifier. |
| Q. Distinguish between half-wave and full wave rectifiers. |
| Q. Distinguish between zener breakdown and avalanche breakdown. |
| Q. What is a Zener diode? Explain how it is used as a voltage regulator. |
| Q. Explain hole conduction in intrinsic semiconductors. |
| Q. What is photodiode? Explain its working with a circuit diagram and draw its I-V characteristics. |
| Q. Explain the working of LED and what are its advantages over conventional incandescent low power lamps? |
| Q. Explain the working of a solar cell and draw its I-V characteristics. |
| Q. In electric circuit transistor can be arranged in three configurations.
Common base configuration (CB) Explain how transistor can be used as a switch? |
| Q. Define NAND and NOR gates. Give their truth tables. |
| Q. Explain the operation of a NOT gate and give its truth table. |
Students must remember that the AP Inter 2nd Year Physics 4 Marks Important Questions 2025 is crucial. Few of these questions may probably appear on the actual exam day. Therefore, students must note down all the questions and prepare for the AP Inter 2nd Year Physics Exam 2025 thoroughly.
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