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Physics · Class 11 Science

Kerala Dhse Class 11 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
9
Total Papers
9
Real Board Papers
0
Sample papers
270
Real-paper Q & A
0
Sample-paper Q & A

Real board-paper questions available, by year

29 Q2026complete
29 Q2025complete
29 Q2024complete
29 Q2023complete
32 Q2022complete
40 Q2021complete
30 Q2020complete
26 Q2019complete
26 Q2018complete

Kerala DHSE Plus One Board 2026 · Set ANN

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
—
Questions
—
Duration
—
Sections
—

The marks / questions / duration above are the official exam pattern. We currently have 29 of this paper’s questions, with 29 fully solved. Questions we couldn’t yet extract or verify are held — never shown as complete.

The question paper

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

Board Examination

Physics

Kerala DHSE Plus One Board 2026 · Set ANN

Series/Set: ANNRoll No. ________
Time Allowed: —Maximum Marks: —
Section Other

Other / unmarked

Q1.
At the centre of Earth, the value of g is ________ .
[1]
Q2.
A graph is drawn with time along x axis and force along y axis. The area under the graph represents
  • (a) torque
  • (b) impulse
  • (c) momentum
  • (d) couple
[1]
Q3.
The simple pendulum whose time period of oscillation is 2 seconds is called a ______ .
[1]
Q4.
The average kinetic energy of a gas molecule is directly proportional to
  • (a) Volume
  • (b) Pressure
  • (c) Temperature
  • (d) Number of moles
[1]
Q5.
For which of the following shapes, the centre of mass does not lie on the body?
  • (a) Pencil
  • (b) Dice
  • (c) Shotput
  • (d) Bangle
[1]
Q6.
Steel is more elastic than rubber. (True / False)
[1]
Q7.
The frequency, wavelength and velocity of a wave are related by the equation
  • (a) v = f/λ
  • (b) f = v/λ
  • (c) v = λ/f
  • (d) 1/v = fλ
[1]
Page 1 of 5
Q8.
What is moment of inertia of a body? Name the factors on which moment of inertia of a body depend.
[2]
Q9.
The velocity-time graph of a body with uniform acceleration is shown below. Obtain the equation of motion S = ut + ½at² from the graph. (S – displacement, u – initial velocity, v – final velocity, a – acceleration, t – time)
[2]
Q10.
What is meant by mean free path of a gas molecule? Write down its expression and explain the terms.
[2]
Q11.
Match the following: Column A: (a) Surface tension (b) Surface energy (c) Pressure (d) Capillary rise Column B: (p) J/m² (q) m (r) N/m (s) N/m²
[2]
Q12.
What is a heat engine? Draw the block diagram of a heat engine showing its components (source, sink etc.)
[2]
Q13.
What is escape speed? Obtain the relation between escape speed and orbital velocity of satellite.
[2]
Q14.
Define power. Convert 1 kWh into joule.
[2]
Q15.
(a) What is meant by unit of a physical quantity? (b) Distance moved by a body is expressed as x = a + bt + ct² where x is in metre and t is in seconds. What is the unit of c?
[3]
Page 2 of 5
Q16.
(a) Define modulus of elasticity. Give its SI unit and dimensions. (b) What is an elastomer? Give an example.
[3]
Q17.
The following figure shows vibrating modes of an air column. Find the ratio of frequencies of the two modes.
[3]
Q18.
(a) Explain the following types of thermodynamic systems: (i) open system (ii) closed system (b) State first law of thermodynamics. How does first law of thermodynamics obey law of conservation of energy?
[3]
Q19.
(a) Define vector product of two vectors A and B. (b) Two forces 5 N and 7 N act on a particle with an angle of 60° between their directions. Find the resultant force.
[3]
Q20.
Differentiate between conservative and non-conservative forces. Give ONE example for each.
[3]
Q21.
(a) State and prove law of conservation of angular momentum. (b) What happens when the spinning ice skater (i) stretches her hands and (ii) folds her hands as shown in the following figure:
[3]
Page 3 of 5
Q22.
(a) Differentiate between heat and temperature. (b) At what temperature is the Fahrenheit scale reading equal to half of the Celsius scale reading?
[4]
Q23.
(a) State Newton's second law of motion and hence define 1 N force. (b) A lift is going up with an acceleration equal to 2g. A girl is inside the lift and her mass is m. What will be the reaction of the floor on the girl?
[4]
Q24.
(a) Define a simple harmonic motion (SHM). (b) Draw the energy position graph of a SHM. (c) In the following figure of a wave, find i) frequency and ii) amplitude.
[4]
Q25.
(a) Differentiate between distance and displacement. (b) Assume that your school is located 2 km away from your home. In the morning, you are going to school and in the evening, you are coming back to home. What is the total (i) distance travelled (ii) displacement when you reach home?
[4]
Q26.
(a) Define acceleration due to gravity at a place. (b) Obtain the value of acceleration due to gravity near the surface of earth. (G = 6.67 × 10⁻¹¹ Nm² kg⁻², Mass of earth = 6 × 10²⁴ kg, Radius of earth = 6400 km) (c) Show that the acceleration due to gravity varies with altitude.
[5]
Page 4 of 5
Q27.
(a) What is a projectile? (b) Complete the following figure showing the variation of horizontal and vertical components of velocity of a projectile at the points p, q, r and s. (c) Obtain the expression for time of flight of the projectile.
[5]
Q28.
(a) What is capillary rise? (b) With the help of a diagram, derive an expression for capillary rise inside a narrow tube of radius r. (c) Mercury has an angle of contact equal to 140° with soda lime glass. A narrow tube of radius 2 mm, made of this glass is dipped in a trough containing mercury. By what amount does the mercury dip down in the tube relative to the liquid surface outside? (Surface tension of mercury S = 0.456 N m⁻¹, Density of mercury ρ = 13.6 × 10³ kg m⁻³)
[5]
Q29.
(a) State Hooke's law of elasticity. (b) Derive an expression for potential energy stored in a stretched spring. (c) The length of a steel wire increases by 0.5 cm when it is loaded with a mass of 5 kg. Calculate the work done in stretching the wire.
[5]
Page 5 of 5