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Physics · Class 12 Science

Telangana Tsbie Class 12 Physics — Real Previous-Year Papers

with complete answers

Real previous-year board papers, year by year — the official exam pattern, the full question paper, and every question solved the concept-first way. Distinct from the chapter-wise textbook bank.

2018–2025
Years of papers
7
Total Papers
7
Real Board Papers
0
Sample papers
159
Real-paper Q & A
0
Sample-paper Q & A

Real board-paper questions available, by year

21 Q2025complete
21 Q2024complete
21 Q2023complete
33 Q2022complete
—2021Not available
21 Q2020complete
21 Q2019complete
21 Q2018complete

Telangana Board of Intermediate Education 2025 · Set ANNUAL

Real board examination

About this paper

The real Class-12 board examination held in 2025. Every question below is solved the concept-first way. Sample papers are labelled honestly — never shown as a past exam.

Total marks
60
Questions
21
Duration
180 min
Sections
3

The marks / questions / duration above are the official exam pattern. We currently have 21 of this paper’s questions (100% of the full paper), with 21 fully solved. Questions we couldn’t yet extract or verify are held — never shown as complete.

Sections & marks

SectionTypeQuestionsMarks eachTotal
ASection Avery_short10220
BSection Bshort8432
CSection Clong3824
Total2160

The question paper

The questions we hold for this paper, laid out by section. Solutions are on the Answers tab.

Board Examination

Physics

Telangana Board of Intermediate Education 2025 · Set ANNUAL

Series/Set: ANNUALRoll No. ________
Time Allowed: 3 hoursMaximum Marks: 60

General Instructions

  1. This question paper contains 21 questions divided into 3 sections — A, B, C.
  2. Section A comprises 10 questions of 2 marks each (very_short).
  3. Section B comprises 8 questions of 4 marks each (short).
  4. Section C comprises 3 questions of 8 marks each (long).

Above is the official exam pattern. The questions printed below are those we currently hold for this paper.

Section A

very_short · 2 marks each · 10 of 10 shown

Q1.
What is dispersion? Which colour gets relatively more dispersed?
[2]
Q2.
Define modulation. Why is it necessary?
[2]
Q3.
A circular coil of radius 'r' having N turns carries a current "i". What is its magnetic moment?
[2]
Q4.
Define magnetic declination.
[2]
Q5.
What is "work function"?
[2]
Page 1 of 4
Q6.
A transformer converts 200 V ac into 2000 V ac. Calculate the number of turns in the secondary if the primary has 10 turns.
[2]
Q7.
Magnetic lines form continuous closed loops. Why?
[2]
Q8.
Microwaves are used in Radars, why?
[2]
Q9.
State Heisenberg's Uncertainty Principle.
[2]
Q10.
Draw the circuit symbols for p-n-p and n-p-n transistors.
[2]
Section B

short · 4 marks each · 8 of 8 shown

Q1.
Explain the formation of a rainbow.
[4]
Q2.
Explain Doppler effect in light. Distinguish between red shift and blue shift.
[4]
Page 2 of 4
Q3.
Derive the equation for the couple acting on an electric dipole in a uniform electric field.
[4]
Q4.
Derive an expression for the capacitance of a parallel plate capacitor.
[4]
Q5.
Find the magnetic induction or magnetic field due to a long current carrying conductor.
[4]
Q6.
Describe the ways in which Eddy currents are used to advantage.
[4]
Q7.
Explain the different types of spectral series.
[4]
Q8.
What is rectification? Explain the working of a full wave rectifier.
[4]
Page 3 of 4
Section C

long · 8 marks each · 3 of 3 shown

Q1.
How are stationary waves formed in closed pipes? Explain the various modes of vibrations and obtain relations for their frequencies. A closed organ pipe 70 cm long is sounded. If the velocity of sound is 331 m/s, what is the fundamental frequency of vibration of the air column?
[8]
Q2.
State Kirchhoff's laws for an electrical network. Using these laws deduce the condition for balance in a Wheatstone bridge.
[8]
Q3.
Explain the principle and working of a nuclear reactor with the help of a labelled diagram. If one microgram of 235/92 U is completely destroyed in an atom bomb, how much energy will be released?
[8]
Page 4 of 4