PSEB class 12 physics exam analysis, question paper 2025 with reply key available, download pdf

PSEB class 12 Physics examination 2025: On March 4, 2025, the Punjab School Education Board (PSEB) successfully carried out the class 12 physics exam. According to the students, the exam was well balanced and contained both uncomplicated and analytical questions. The question paper followed the latest PSEB exam format.

In this article, the PSEB Class 12 Physics Question Paper is now available for download together with the reply key. These resources help the students to evaluate their performance and understand the right answers.

Punjab board class 12 physics question paper 2025

PSEB class 12 Physics Replica 2025

After the newspaper is over, the students may wait for the reply key. The response key helps the students to estimate their total number of points. Students can check the answers to all objective questions below:

One Marks questions (20×1 = 20):

1. The image of the real object, as seen by convex mirrors, is:

(a) real

(b) virtual

(c) sometimes real, sometimes virtual

(d) none of them

Answer: (b) virtual

2. Hugens Well theory enables us to:

(a) The wavelength of the wave

(b) The speed of the wave

(c) The amplitude of the wave

(d) the spread of wave fronts

Answer: (a) The wavelength of the wave

3. Light speed is maximum in:

(a) vacuum

(b) water

(c) Diamond

(d) glass

Answer: (a) vacuum

4. The conversion of light energy into electrical energy is achieved in A:

(a) Coolidge tube

(b) Thermalement

(c) Photo

(d) Cloud chamber

Answer: (c) Photo

5. The maximum kinetic energy of the photoelectron only depends on:

(a) incident angle

(b) frequency

(c) pressure

(d) potential

Answer: (b) frequency

6. In the drilling model of the hydrogen atom, the lowest orbit corresponds:

(a) maximum energy

(b) Miniest energy

(c) zero energy

(d) Infinite Energy

Answer: (b) frequency

7.When enduring the conductivity of semi-leader:

(a) rises

(b) remains the same

(c) decreases

(d) none of them

Answer:(a) rises

8.Preside strain in PN junction, the potential barrier:

(a) decreases

(b) increased

(c) remains unchanged

(d) becomes zero

Answer:(a) decreases

9.If the distance between the charges is halved, the force between the charges becomes:

(a) half

(b) twice

(c) four times

(d) none of them

Answer: (c) four times

10.If a dielectric is kept between two capacitor plates, its capacity is:

(a) rises

(b) decreases

(c) First decrease and then decrease and then decrease

(d) none of them

Answer: (a) rises

11.The wheat stone bridge is used to measure:

(a) EMF

(b) potential

(c) Resistance

(d) Electricity

Answer:(c) Resistance

12.The final single unit of magnetism is in every magnet:

(a) North Pole

(b) South Pole

(c) Magnetic dipole

(d) Quadrupol

Answer: (c) Magnetic dipole

13.The laws of electromagnetic induction were for the construction of:

(a) voltmeter

(b) amperemeter

(c) electric motor

(d) Generator

Answer: (d) Generator

14.What is the peak of AC 220 volts ?::

(a) 220 V

(b) 311 V

(c) 320 V

(d) 440 V

Answer: (b) 311 V

15.Which has the longest wavelength ?::

(a) X -rays

(b) microwaves

(c) infrared rays

(d) radio waves

Answer: (d) radio waves

True/wrong

16. Semi director is a device that follows the Ohm law. INCORRECT

17. The density of the core is independent of the size of the core. TRUE

18. The size of the mirror does not affect the type of picture. INCORRECT

19th diffaction of light is the phenomenon of the arc around the corners of an opening in its way.TRUE

20. The strength of the bar magnets is maximum in the middle. INCORRECT

PSEB class 12. Physics Replica 2025 (Link Active Bald)