Physics Class 10 Guess Paper 2024 | Federal Board | Fazal Academy

These are Physics class 10 important questions for exam 2024 for federal board students. This guess paper includes important short and long questions of all chapter. Guess paper plays a very important role in preparation of exams. Guess means important questions that have more chances to come in final exams. All chapter’s exercise conceptual questions as well as exercise numerical pdf are also available on fazal academy site.

Unit 10: Simple Harmonic Motion and Waves

Important Short Questions:

1. What are conditions for a body to perform simple harmonic motion?
2. What are damped oscillations. How damping progressively reduces the amplitude of oscillation?
3. Difference between mechanical waves and electromagnetic waves.
4. Difference between transverse waves and longitudinal waves.
5. Define Wave Speed. Derive V= f
6. Under what conditions are the waves diffracted the most?
7. If the length of a simple pendulum is shorten to half then what will be the change in its time period?

Important Long Questions:

1. Show that vibrating mass spring system performs simple harmonic motion. what is its time period? on what factors it depends?
2. What is simple pendulum? Show that vibrating simple pendulum performs simple harmonic motion. What is its time period? on what factors it depends?
3. What is ripple tank? Describe its construction and working.

Physics Class 10 Federal Board Pdf Notes

Physics Class 10 Chapter 10 Conceptual Questions Pdf National Book Foundation

Unit 11: Sound

Important Short Questions:

1. On what factors does the loudness of sound depend?
2. What is speed of sound? On what it depends?
3. Difference between Loudness and Intensity.
4. Difference between Noise and Music.
5. How we are able to distinguish between two sounds having same loudness?
6. What is pitch of sound? How is it related with the frequency of sound?
7. How can you prove the mechanical nature of sound by a simple experiment?

Important Long Questions:

1. Define intensity level. Derive the formula for its decibel scale.
2. What is loudness of sound? On what factors does it depend? Explain with example.

Chapter 11 PDF Notes

Unit 12: Geometrical Optics

Important Short Questions:

1. State laws of Reflection.
2. State the conditions for total Internal Reflection.
3. What is Snell’s Law. Write its mathematical form.
4. Difference between Nearsightedness ( myopia ) and Farsightedness ( hypermetropia ). How can we remove these defects of vision?
5. Describe how total internal reflection is used in light propagation through optical fibres.
6. What is Critical angle? Derive a relationship between the critical angle and refractive index of substance.
7. Which mirror is used by girls for make up and why?
8. Difference Real and virtual image.
9. which mirrors are used for rear view of vehicles and why?
10. What is spherical mirror formula? Write down sigh conventions for spherical mirror formula.
11. Difference between resolving power and magnifying power.

Important Long Questions:

1. Compound Microscope and Telescope

Unit 13: Electrostatics

Important Short Questions:

1. State and explain Coulomb’s law.
2. Define electric field and electric field intensity.
3. Is electric intensity a vector quantity? what will be its direction?
4. What is difference between variable and fixed type capacitor?
5. What is capacitance of capacitor? On what factors it depends?

Important Long Questions:

1. Series Combination of Capacitors and Parallel Combination of capacitors.
2. State and explain coulomb’s law. Derive its mathematical form.
3. What is Electroscope? Explain its construction and working.

Unit 14: Current Electricity

Important Short Questions:

1. Difference between Electronic current and conventional current?
2. Describe Ohm’s law and its limitations.
3. Distinguish between D.C and A.C
4. Can current flow through a circuit without potential difference ? Explain.
5. What is meant by term e.m.f? Is it really a force? Explain.
6. Difference between the following. i. emf and potential difference ii. ohmic and non ohmic conductor
7. State and prove joule’s law of heating.
8. What is resistance? On what factors does it depend?
9. Show that 1kWh = 3.6MJ or show that volt ampere is equal to watt.

Important Long Questions:

1. Series Combination of Resistors and Parallel Combination of Resistors.

Unit 15: Electromagnetism

Important Short Questions:

1. Explain that an electric current in a conductor produces a magnetic field around it.
2. List factors affecting the magnitude of an induced e.m.f.
3. Right hand rule , Fleming’s left hand rule and Lenz’s Law
4. Difference between generator and motor.
5. In what way split rings in DC motor differ from slip rings in AC motor in working?

Important Long Questions:

1. DC motor, AC Generator and Transformer ( Define ,Construction and working )

Unit 16: Introductory Electronics

Important Short Questions

1. Difference between Analogue and digital electronics
2. Explain the process of Thermionic Emission emitted from a filament. Name two factors which can enhance thermionic emission.
3. How can you that cathode rays are negatively charge? Give three reasons.
4. How can you control brightness of waveform on screen of CRO?
5. Is NAND gate reciprocal of AND gate?
6. Describe the effect of electric and magnetic field on electron beam?

Important Long Questions

1. Logic Gates ( AND , OR , NOT , NAND and NOR )
2. What is Electron Gun? Describe its construction and working.
3. What is Cathode Ray Oscilloscope? Describe the working of its different parts and uses.

Unit 17: Information and Communication Technology

1. Difference between the following. i. Data and Information ii. RAM and ROM iii. Hardware and Software
2. Why optical fibre is better than electric wire for communication process.
3. Explain briefly the transmission of radiowaves through air.
4. How are light signals sent through optical fibre?

Unit 18: Radioactivity

Important Short Questions

1. What is meant background radiations? Enlist some sources of background radiations.
2. Alpha , Beta and Gamma decay
3. Explain the process of Carbon Dating.
4. What is Half Life? Derive the formula of un-decayed atoms. Draw graph for decaying atoms with time.
5. What fraction of a radioactive element will be left after 4 half lives have elapsed?
6. How long will a radioactive element take to decay completely?
7. Why nuclei of atoms with atomic number greater than 82 emit radiations?
8. Is radioactivity a spontaneous process? Elaborate your answer with a simple experiment.

Important Long Questions

1. Fission Reaction and Nuclear Fusion