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Punjab (PTB) · 10th Class Physics paper scheme (Punjab boards) · Free

10th Class Physics Board Pattern Paper 2026

60 marks · About 2 hours (objective and subjective) · 39 questions. Covers: 12 chapters (CHAP 10: THERMAL PHYSICS to CHAP 21: SPACE AND ENVIRONMENT).

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10th Class Physics Board Pattern Paper 2026

10th Class · Physics · Punjab (PTB)

Name: ____________Roll No: ________Class/Section: ________Date: ________Total marks: 60Time: About 2 hours (objective and subjective)

Q1. Multiple choice questions (Attempt all · 12 × 1 = 12)

  1. The maximum displacement of a point on a wave from its rest position is the:

    1. Wavelength

    2. Frequency

    3. Amplitude

    4. Time period

  2. Half life of Uranium is:

    1. 4.5 billion years

    2. 4.6 billion years

    3. 4.7 billion years

    4. 4.8 billion years

  3. Running warm water over a tight metal lid of a jar helps to open it because:

    1. The glass jar expands

    2. The metal lid expands slightly

    3. The liquid inside freezes

    4. The lid contracts

  4. Which of the following material has the highest refractive index?

    1. Water

    2. Glass

    3. Diamond

    4. Ice

  5. In a transformer, energy is transferred from the primary coil to the secondary coil through:

    1. Direct electrical connection

    2. A magnetic field in the iron core

    3. Electron flowing through the core

    4. Heat conduction

  6. Which statement is correct:

    1. Magnetic field lines always from closd loops

    2. Magnetic field lines always from ditanced loops

    3. Magnetic field lines never come from a bar magnet

    4. All are correct

  7. What is the fundamental rule of electrostatics regarding charges?

    1. Like charges attract, opposite charges repel

    2. Like charges repel, opposite charges attract

    3. All charges always attract each other

    4. Charges have no effect on each other

  8. Which of the following is required for sound to travel?

    1. A vacuum

    2. A medium

    3. Darkness

    4. Magnetic field

  9. The process of adding impurities to a pure semi condutor is called:

    1. Annealing

    2. Doping

    3. Heating

    4. Diffusion

  10. What fuels hurricanes and makes them stronger and more destructive?

    1. Freezing temperatures

    2. Heat absorbed by the ocean

    3. Tectonic plate movements

    4. Geysers and hot springs

  11. The current was considered to be due to flow of only positive charges, named as:

    1. Conventonal current

    2. Diretc current

    3. Indirect current

    4. Alternating current

  12. Thermal radiation travels in the form of:

    1. Sound waves

    2. Water waves

    3. Electromagnetic waves

    4. Vibrating atoms

Q2. Short questions (Attempt any 5 of 8 · 5 × 2 = 10)

  1. Why is wood used in applications requiring thermal insulation?

  2. What happens when a twig is dropped into still water?

  3. What is meant by the longitudinal nature of sound waves?

  4. Why do radiators have fins?

  5. Why do substances expand when heated?

  6. What is the speed of electromagnetic waves in a vacuum?

  7. Does sound wave show reflection?

  8. In which state of matter is conduction most efficient?

Q3. Short questions (Attempt any 5 of 8 · 5 × 2 = 10)

  1. What are three important properties of magnetic field lines?

  2. What is Joule's Law?

  3. How does a lightning rod safeguard a building and its occupants?

  4. Why does light change direction when it passes from one medium to another?

  5. How does placing a wire at different angles to a magnetic field affect the magnetic force it experiences, and why is this important in designing motors?

  6. Name three sectors or areas where lighting plays a key role.

  7. What happens when like charges and unlike charges are brought close to each other?

  8. What is hypermetropia.

Q4. Short questions (Attempt any 5 of 8 · 5 × 2 = 10)

  1. What is global warming? write few causes of it?

  2. Define isotopes.

  3. By adding resistance in loop with constant speed product of current remain same or changed?

  4. Solve the left "Brain Teaser": Show how a NOR gate followed by a NOT gate acts as an OR gate.

  5. What is the role of energy coming from sun?

  6. What is Dalton theory of atomic model?

  7. What are the benefits of electromagnetic waves?

  8.  Draw or describe the symbolic representation of a semiconductor diode.

Q5. Long questions (Attempt any 2 of 3 · 2 × 9 = 18)

  1. Explain how the depletion region of a diode changes in forward and reverse bias. What effect does this have on current flow?

  2. What is an oscilloscope and how does it help in analyzing electric signals? Describes its main components.

  3. Discuss the role of greenhouse effect in regulating Earth's temperature. What are the potential consequences of an enhanced greenhouse effect due to human activities?