Physics · 2nd Puc Science

Karnataka PUC 2nd Puc Science 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.

2018–2026
Years of papers: 7
Total Papers: 7
Real Board Papers: 0
Sample papers: 299
Real-paper Q & A: 0
Sample-paper Q & A

Real board-paper questions available, by year

45 Q2026complete

45 Q2025complete

48 Q2024complete

—2023Paper not available

50 Q2022complete

—2021Paper not available

37 Q2020complete

37 Q2019complete

37 Q2018complete

2023 — Paper not available: We publish a Karnataka II PUC board question paper only after verifying it against the official printed original from the Department of Pre-University Education (KSEAB / DPUE). No such verified paper is available for this year, so we show none rather than an unconfirmed copy.

2021 — Paper not available: We publish a Karnataka II PUC board question paper only after verifying it against the official printed original from the Department of Pre-University Education (KSEAB / DPUE). No such verified paper is available for this year, so we show none rather than an unconfirmed copy.

Karnataka II PUC Board 2026 · Set V1

Real board examination

About this paper

The real Class-12 board examination held in 2026. Every question below is solved the concept-first way. Sample papers are labelled honestly — never shown as a past exam.

Total marks: 70
Questions: 45
Duration: 180 min
Sections: 4

The marks / questions / duration above are the official exam pattern. We currently have 45 of this paper’s questions (100% of the full paper), with 45 fully solved. Questions we couldn’t yet extract or verify are held — never shown as complete.

Sections & marks

Section	Type	Questions	Marks each	Total
ASection A	15 MCQ + 5 Fill in the blanks — answer all	20	1	20
BSection B	Short answer — answer any 5	8	2	16
CSection C	Short answer — answer any 5	8	3	24
DSection D	Long answer — answer any 3 (5 marks) + any 2 numericals (5 marks)	9	5	45
Total		45		70

The question paper

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

Board Examination

Physics

Karnataka II PUC Board 2026 · Set V1

Series/Set: V1Roll No. ________

Time Allowed: 3 hoursMaximum Marks: 70

General Instructions

This question paper contains 45 questions divided into 4 sections — A, B, C, D.
Section A comprises 20 questions of 1 mark each (15 MCQ + 5 Fill in the blanks — answer all).
Section B comprises 8 questions of 2 marks each (Short answer — answer any 5).
Section C comprises 8 questions of 3 marks each (Short answer — answer any 5).
Section D comprises 9 questions of 5 marks each (Long answer — answer any 3 (5 marks) + any 2 numericals (5 marks)).

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

Section A

15 MCQ + 5 Fill in the blanks — answer all · 1 mark each · 20 of 20 shown

Q1.

Which one of the following charge cannot exist on a body?

(a) $2\,e$
(b) $3\,e$
(c) $3.5\,e$
(d) $-4\,e$

[1]

Q2.

The equipotential surfaces of an isolated point charge are :

(a) Coaxial cylindrical surfaces
(b) Plane surfaces parallel to each other
(c) Concentric spherical surfaces centred at the charge
(d) Spherical surfaces but not centred on the charge

[1]

Q3.

Consider the following statements about a balanced Wheatstone's bridge. Statement-I : The current through the galvanometer is zero. Statement-II : If the positions of the galvanometer and the battery are interchanged in the circuit, the current in the galvanometer will be zero. Among the above two statements :

(a) Only Statement-I is true
(b) Only Statement-II is true
(c) Both the Statements are wrong
(d) Both the Statements are true

[1]

Q4.

The path traced by a charged particle moving perpendicular to a uniform magnetic field is :

(a) circle
(b) straight line
(c) helix
(d) ellipse

[1]

Q5.

A magnetic dipole of magnetic moment

\vec{m}

is placed in a uniform magnetic field

\vec{B}

such that the angle between

\vec{m}

and

\vec{B}

\theta

. If the magnetic dipole is in stable equilibrium position, then :

(a) $\theta = 0^\circ$
(b) $\theta = 90^\circ$
(c) $\theta = 180^\circ$
(d) $\theta = 45^\circ$

[1]

Q6.

The working principle of an A.C. generator is :

(a) mutual induction
(b) eddy currents
(c) self induction
(d) electromagnetic induction

[1]

Page 1 of 7

Q7.

Power factor of a series LCR circuit is maximum when : (a) XL = XC (b) XC = 0 (c) XL > XC (d) XL < XC

[1]

Q8.

Displacement current is produced due to : (a) Constant electric field (b) Constant magnetic field (c) Changing electric field (d) Changing magnetic field

[1]

Q9.

For total internal reflection of light : (a) light should be travelling from rarer medium to denser medium (b) light should be travelling from denser medium to rarer medium (c) light should be incident along the normal (d) angle of incidence should be equal to 90^°

[1]

Q10.

The angle of minimum deviation of a prism depends on : (i) refractive index of the material of the prism (ii) refractive index of surrounding medium (iii) refracting angle of the prism (a) Only option (i) (b) Only option (ii) (c) Only option (iii) (d) All (i), (ii) and (iii)

[1]

Q11.

According to Huygen's principle, speed of the secondary wavelets is : (a) twice that of the wave (b) zero (c) same as that of the wave (d) infinite

[1]

Q12.

An α-particle, a proton, an electron and a neutron are moving with the same velocity. Then the particle having longest de Broglie wavelength is : (a) proton (b) electron (c) neutron (d) α-particle

[1]

Q13.

Let K be the kinetic energy, U be the potential energy and E be the total energy of an electron revolving around the nucleus in a hydrogen atom, then which of the following is correct? (a) K > 0,U > 0,E > 0 (b) K > 0,U < 0,E < 0 (c) K > 0,U > 0,E < 0 (d) K < 0,U < 0,E < 0

[1]

Q14.

An example for isobars is : (a) ²₁H and ³₁H (b) ²₁H and ⁴₂He (c) ¹⁹⁸₈₀Hg and ¹⁹⁷₇₉Au (d) ³₁H and ³₂He

[1]

Q15.

Which of the following pairs are elemental semiconductors? (a) Silicon and aluminium (b) Silicon and germanium (c) Germanium and cadmium (d) Aluminium and cadmium

[1]

Page 2 of 7

Q16.

According to Gauss's law in magnetism, magnetic _____ are not known to exist. Fill in the blank choosing the appropriate answer from the bracket: (photons, diffraction, polarity, monopoles, greater than unity, less than unity)

[1]

Q17.

Lenz's law gives the _____ of induced emf. Fill in the blank choosing the appropriate answer from the bracket: (photons, diffraction, polarity, monopoles, greater than unity, less than unity)

[1]

Q18.

For a step-down transformer, the ratio of primary current to secondary current is _____. Fill in the blank choosing the appropriate answer from the bracket: (photons, diffraction, polarity, monopoles, greater than unity, less than unity)

[1]

Q19.

The bending of light around the corners and entering into the geometric shadow region is called _____. Fill in the blank choosing the appropriate answer from the bracket: (photons, diffraction, polarity, monopoles, greater than unity, less than unity)

[1]

Q20.

In interaction with matter, light behaves as if it is made up of packets of energy called _____. Fill in the blank choosing the appropriate answer from the bracket: (photons, diffraction, polarity, monopoles, greater than unity, less than unity)

[1]

Section B

Short answer — answer any 5 · 2 marks each · 8 of 8 shown

Q1.

Write any two properties of electric field lines.

[2]

Q2.

What is electrostatic shielding? Mention one use of it.

[2]

Q3.

How does the resistivity of a semiconductor vary if its temperature is increased? Also show the variation graphically.

[2]

Page 3 of 7

Q4.

A thin long straight wire carries a current of 5 A. Calculate the magnitude of the magnetic field at a distance of 0.25 m from the wire. (μ₀ = 4π × 10⁻⁷Hm⁻¹)

[2]

Q5.

Write the expression for the motional emf induced in a straight conductor moving perpendicular to a uniform magnetic field. Explain the terms.

[2]

Q6.

Name the electromagnetic waves used in : i) the radar systems of aircrafts. ii) the laser assisted eye surgery (LASIK).

[2]

Q7.

Define impact parameter. What is the angle of scattering of an α-particle for zero impact parameter?

[2]

Q8.

List out two differences between p-type and n-type semiconductors.

[2]

Section C

Short answer — answer any 5 · 3 marks each · 8 of 8 shown

Q1.

Give Coulomb's law in vector form and explain the terms. Define SI unit of charge.

[3]

Q2.

What is a capacitor? Mention any two factors on which capacitance of a parallel plate capacitor depends.

[3]

Page 4 of 7

Q3.

With the help of a circuit diagram, explain how to convert a galvanometer into a voltmeter.

[3]

Q4.

Differentiate between diamagnetic and ferromagnetic materials.

[3]

Q5.

Obtain the expression for energy stored in an inductor.

[3]

Q6.

A refracting telescope has an objective lens of focal length 144 cm and the length of the tube is 150 cm. Calculate the magnification due to the telescope.

[3]

Q7.

Write the experimental observations of photoelectric effect.

[3]

Q8.

List three conclusions drawn from observations of binding energy per nucleon versus mass number curve.

[3]

Page 5 of 7

Section D

Long answer — answer any 3 (5 marks) + any 2 numericals (5 marks) · 5 marks each · 9 of 9 shown

Q1.

Arrive at the expression for the electric field at a point due to an infinitely long uniformly charged straight wire using Gauss's law.

[5]

Q2.

Obtain the expression for equivalent emf and equivalent internal resistance of two cells of different emfs and different internal resistances connected in series.

[5]

Q3.

Derive the expression for the magnitude of the magnetic field at a point on the axis of a circular loop carrying current.

[5]

Q4.

Derive mirror equation (1)/(v) + (1)/(u) = (1)/(f) for a concave mirror.

[5]

Q5.

What is half wave rectifier? Describe with a circuit diagram, the working of a semiconductor diode as a half wave rectifier. Draw input and output waveforms.

[5]

Page 6 of 7

Q6.

Two charges 5 × 10⁻⁸C and -3 × 10⁻⁸C are located 16 cm apart in vacuum. Find the positions along the line passing through the two charges at which the electric potential is zero.

[5]

Q7.

The power dissipated across a wire of length 0.5 m and area of cross-section 0.2 × 10⁻⁶m² is 10 W when a steady current flows through it. Calculate the following quantities : (Given : resistivity of the material of the wire is 1 × 10⁻⁶Omegam) i) Resistance of the wire ; ii) The current flowing through the wire ; iii) The current density for the wire.

[5]

Q8.

An inductor and a resistor are connected in series with 200 V, 50 Hz a.c. source. The current in the circuit is 2 A and voltage leads the current by (π)/(3). Calculate the inductance of the inductor.

[5]

Q9.

A beam of light consisting of two wavelengths 500 nm and 600 nm is used to obtain interference fringes in Young's double slit experiment. Distance between the slits is 1 mm and the screen is placed at a distance of 1.2 m from the slits. i) Find the least distance between the central maximum and the point where the bright fringes due to both the wavelengths coincide. ii) Find the distance of the third dark fringe from the central bright fringe for the first wavelength.

[5]

Page 7 of 7