Class 9 Physics - Guess Paper 2025-26

                                   GUESS PAPER 25-26 

Short Question (50); important:

1. Define speed and velocity.
2. What is acceleration? Explain with an example.
3. State the laws of motion.
4. Explain the principle of conservation of momentum.
5. Define work and give its SI unit.
6. What is power? State its unit.
7. State Newton's first law of motion.
8. Define kinetic energy and give its formula.
9. What is the principle of superposition of forces?
10. Define potential energy.
11. What is the difference between scalar and vector quantities?
12. What is meant by uniform circular motion?
13. Explain the concept of centripetal force.
14. State the law of conservation of energy.
15. What is Hooke's law?
16. Define elasticity.
17. State the laws of reflection.
18. Define refraction.
19. What is the refractive index?
20. Explain the concept of diffraction.
21. What is meant by interference of light?
22. Define diffraction and its types.
23. What is resonance?
24. What is Ohm’s law?
25. State the difference between series and parallel circuits.
26. What is a capacitor?
27. Define electric field and electric potential.
28. What is Coulomb’s law?
29. Explain the concept of magnetic field.
30. What are magnetic field lines?
31. What is Faraday's law of electromagnetic induction?
32. Define mutual induction.
33. Explain the working of an electric motor.
34. What is the difference between AC and DC?
35. Define the wavelength and frequency of a wave.
36. What is the Doppler effect?
37. Define the photoelectric effect.
38. Explain the use of a prism in dispersion of light.
39. What is the difference between conductors, insulators, and semiconductors?
40. State Kepler’s laws of planetary motion.
41. What is the relation between pressure and volume in gases (Boyle's Law)?
42. Explain the greenhouse effect.
43. What is the law of universal gravitation?
44. Define the term ‘power factor’.
45. Explain the working principle of a transformer.
46. What is the use of a cathode ray oscilloscope (CRO)?
47. What is the electric field intensity at a point?
48. What is nuclear fission and fusion?
49. What is the difference between longitudinal and transverse waves?
50. Define the moment of inertia.

Long Questions ; (15) important ;

1. Explain Newton’s Laws of Motion with real-life applications and examples.
2. State and explain the law of conservation of energy. How is it applicable in daily life?
3. Discuss the concept of work and energy. Explain their relationship and give examples.
4. Explain the concept of gravity. State and explain Newton’s law of universal gravitation.
5. Describe the working of a simple electric motor and discuss its applications.
6. Derive the equation of motion for an object moving with uniform acceleration.
7. Discuss the properties of light, including reflection, refraction, and diffraction.
8. Explain the principle of a transformer and its uses in electrical systems.
9. Explain the Doppler Effect and its applications in daily life (e.g., sound waves, light waves).
10. Describe the working of an electric generator and its importance in the generation of electricity.
11. State and explain Kepler’s Laws of planetary motion. Discuss their significance.
12. Explain the concept of magnetism and discuss the properties of magnetic fields and magnetic forces.
13. Describe the structure of an atom according to Bohr’s theory. Discuss its limitations.
14. Explain the phenomenon of interference of light and its applications in physics.
15. Explain the photoelectric effect and its significance in understanding the nature of light.

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