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⚡ This Physics Grade 9 Guess Paper 2026 (FBISE) is prepared using past board papers and model papers. It includes the most important conceptual questions, numerical, and repeated topics to help you prepare effectively and score maximum marks.
⚡ Physics Guess Paper Grade 9 (FBISE 2026)
Chapter 10
- Use of large specific heat capacity
- Convection and its applications
- Applications of heat transfer
- Tectonic Plates
- Numerical Problems: 2, 3, 4, 6
Chapter 11
- Thermal expansion in Solids
- Thermal expansion in Liquids
- Evaporation and Boiling
- Super Conductivity
- Numerical Problems: 2, 5, 6
Chapter 12
- Wave Motion and its types
- Properties of waves
- proof speed=frequency x wavelength
- Numerical Problems: 1, 2, 3, 5
Chapter 13
- Medium for propagation of sound wave
- Terms related to sound wave
- Types of sound waves
- Characteristics of sound waves
- Echo and Acoustics
- Numerical Problems: 2, 5, 6, 7
Chapter 14
- Laws of Reflection, Refraction
- Total Internal Reflection and its applications
- Lenses and its applications
- Acoustic lensing and its types
- Table 14.3
- Numerical Problems: 2, 4, 5
Chapter 15
- Electroscope
- Electric field lines
- Applications of electrostatics
- Numerical Problems: 3, 4, 5, 6
Chapter 16
- Alternating current and direct current
- Potential Difference
- E.M.F.
- Ohm's Law
- Resistance
- Electrical measuring instruments
- Numerical Problems: 3, 5, 6, 8
Chapter 17
- Resistors and its types
- Combinations of resistors + Examples
- Electrical Energy + Electric Power
- Numerical Problems: 2, 4, 5
Chapter 18
- Semiconductors and its types
- Characteristics of diode under biasing
- Transistors and its types
- Relay
- Logic Gates and their uses
- Numerical Problems: 2, 3
Chapter 19
- Magnetic field due to solenoid
- Force on a current carrying conductor in a magnetic field
- Electric Motor
- Electromagnetic Induction
- Electric Generator
- Transformer
- CRO
- Numerical Problems: 1, 2, 4, 5
Chapter 20
- Electromagnetic Spectrum
- Applications of Electromagnetic waves
- Scattering of light
- Table 21.1
- Numerical Problems: 3, 4, 6
Chapter 21
- Isotopes and Radioisotopes
- Radioactive decays
- Half life
- Nuclear Fission and Fusion
- Background Radiation
- Numerical Problems: 3, 5, 7, 10
Short Questions
i) Show that Lenz's Law follows the conservation of energy with an example.
OR
Why does the sky appear blue during the day?
ii) Can we achieve total internal reflection by passing light from less denser medium to more denser medium? Explain.
OR
Why wet clothes dry up quickly in summer than in winter?
iii) How do longitudinal waves differ from transverse waves? Give some real-life examples of longitudinal and transverse.
OR
Calculate the speed of light in a medium of refractive index 1.5.
iv) What is meant by biasing of a diode? What are the types of biasing?
OR
What are the common methods used to discharge an insulator? Briefly elaborate any one method.
v) What is the cost of running four light bulbs of 100 watts each for 6 hours in a school for a month? Cost of electricity unit is Rs. 12 per kWh.
OR
What is meant by isotope of an element? Give examples of three isotopes of any element.
vi) Define electric field. How is it expressed mathematically? Is it a vector quantity?
OR
Define the term E.M.F. Is it really a force?
vii) A step down transformer converts 240V into 12V. If there are 2000 turns on the primary coil, then find the number of turns on the secondary coil.
OR
You often see lightning before hearing thunder. Why?
viii) When will a converging lens act as a magnifying glass? Show it by a ray diagram.
OR
A radioactive substance has a half-life of 6 hours. Its initial amount is 300 grams. Calculate the amount left after 18 hours.
ix) Elaborate the differences between alternating current and direct current by using current-time graphs.
OR
Two identical batteries, each with an e.m.f of 1.5 V, are connected (a) in series and (b) in parallel. Calculate the total e.m.f in each case.
x) Explain how food is preserved through deposition?
OR
Differentiate b/w Noise and Music. (any three)
xi) A convex lens with a focal length of 10cm produces a linear magnification of 3. A 5cm tall object is placed 30 cm in front of it. Calculate the image distance and the height of the image formed.
OR
How does the wavelength of a wave change its frequency?
LONG QUESTIONS
Q3. Three resistors 5 Ω, 13 Ω and 17 Ω are connected in parallel combination across 30V battery. Calculate the equivalent resistance, total current and current across each resistor?
OR
What is nuclear fusion reaction? Write down steps involved in proton-proton cycle. What is cause of energy in nuclear fusion?
Q4. Explain the phenomenon of total internal reflection. What are the necessary conditions for total internal reflection? Derive formula for refractive index of a medium in terms of critical angle.
OR
A solid cube of side length 5cm at 15°C is heated. Calculate its (a) initial volume (b) increase in its volume (c) final volume at 100°C. (Coefficient of volume expansion of this solid is 9 x 10-6 K-1)
Q5. What is meant by transformer? Explain the working of a simple iron-core transformer. Give transformer eqn.
OR
Differentiate between digital and analogue electronics. What makes digital system better than analogue system?
Q6. Draw a comparative sketch illustrating the loudness and pitch of sound waves. Also give their brief description.
OR
What is conduction? Explain it on the basis of kinetic theory of solids. What makes metals better conductors than other substances?