Bihar Board 12th Physics Guess Question 2025: The BSEB Class 12th Board Eams will be from February 1 to 15, 2025. Bihar Board Intermediate candidates preparing for the science stream will have their Physics Exam in February 5, 2025. Candidates preparing can check the Bihar Board 12th Physics Guess Question 2025 available here. The Guess questions for the Bihar Board 12th Physics exam 2025 will serve as a valuable source for students to refine their preparation strategy.
The Bihar Board Intermediate Physics Guess Question 2025 are a set of questions curated based on an analysis of previous years' question papers, the exam pattern, and the expected syllabus coverage. While they are not official exam questions, they are designed to mimic the style, format, and difficulty level of the actual board exam. Candidates can use it for reference purposes only.
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Bihar Board 12th Physics Guess Question 2025 | Expected Questions
Here are the 30 expected questions for Bihar Board 12th Physics 2025 and their answers.
Sl. No. |
Questions |
Answer |
1 |
The example of a non-ohmic resistance is |
Diode |
2 |
Which of the following has higher magnetic susceptibility? |
Ferromagnetic |
3 |
Light goes from one medium to another, then it bends. The bending of ray is called as:- |
Refraction |
4 |
The magnetic induction at an X axial Point and magnetic moment of a bar magnet are |
Parallel |
5 |
In TV broadcasting uses frequency is |
30 - 300 MHz |
6 |
Electromagnetic induction is discovered |
Faraday |
7 |
The role of self inductance is equivalent to |
Inertia |
8 |
When the south pole of a magnet is moved away from any coil then the direction of induced current in the coil will be? |
Anticlockwise |
9 |
Magnetic flux per unit area (A) is? |
Magnetic Field Density |
10 |
Lenz’s Law is related to |
Energy |
11 |
The device which converted mechanical energy into electrical energy, known as |
Dynamo |
12 |
Reactance of a capacitor decreases as the frequency of the alternating current |
Decreases |
13 |
Transformer is a setup, which |
For increasing or decreasing the voltage of AC |
14 |
Ni and N2 are numbers of turns in primary and secondary coils of step up transformers, then? |
N2 > N1 |
15 |
Which of the following is not an electromagnetic wave? |
Sound Wave |
16 |
Electromagnetic waves are: |
Transverse |
17 |
Due to which mirror smaller and virtual image forms than object? |
Convex Mirror |
18 |
Due to which mirror magnified and virtual image formed the object? |
Concave Mirror |
19 |
The focal length of a plane mirror is? |
Infinity |
20 |
If light source is line type of source, then at finite distance wave front is |
Cylindrical |
21 |
Polarization can be done of electric magnetic wave |
By Pollaroid |
22 |
Wave front coming from unknown shaped source from large distance is |
Plane |
23 |
Huygens secondary wave principle is used to |
New geometrical position of wavelength |
24 |
intensity of light is inverse square law, i.e. intensity & valid for? |
Point Source |
25 |
Cathode rays are group of? |
Electron |
26 |
Due to increasing the temperature of the semiconductor its resistance will? |
Decrease |
27 |
Cathode Rays are |
Negative charged Particles |
28 |
With Milliken's oil drop experiment, determines the electrons'? |
Charge |
29 |
To obtain the atomic model, which phenomenon is used related to a-particles? |
Scattering |
30 |
Rutherford's scattering experiment proves the existence of? |
Positively Charged Nucleus |
By reviewing these Bihar Board 12th Physics Guess Question 2025, students can often identify recurring themes and important concepts that are frequently tested. This helps them prioritize their study efforts, including improving time management skills crucial for the actual exam.
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