5.1.1
- 1. What are alpha, beta, and gamma rays?
- 2. What is radioactivity?
- 3. What is photoelectric effect?
- 4. What is the Bohr model of the atom?
- 5. What is the atomic model proposed by Rutherford?
- 6. State Faraday’s law of electromagnetic induction.
- 7. What is electromagnetic induction?
- 8. What is a magnetic field?
- 9. What is resistance?
- 10. What is Ohm’s law?
- 11. What is electric current?
- 12. What is electric field?
- 13. State Coulomb’s law.
- 14. What is electric charge?
- 15. What are electromagnetic waves?
- 16. What is resonance?
- 17. What is the electromagnetic spectrum?
- 18. State Snell’s law.
- 19. What is refraction?
- 20. What is reflection?
- 21. What is the nature of light?
- 22. What factors affect the speed of sound?
- 23. What is the speed of sound in air?
- 24. What is echo?
- 25. What is sound?
- 26. What is amplitude?
- 27. What is wavelength?
- 28. What is frequency?
- 29. What is the difference between transverse and longitudinal waves?
- 30. What is a wave?
- 31. What is Young’s modulus?
- 32. What is stress and strain?
- 33. State Hooke’s law.
- 34. What is elasticity?
- 35. What is viscosity?
- 36. What is buoyant force?
- 37. What is Archimedes’ principle?
- 38. What is Pascal’s law?
- 39. What is pressure?
- 40. What is density?
- 41. What is radiation?
- 42. What is convection?
- 43. What is conduction?
- 44. What is latent heat?
- 45. What is thermal expansion?
- 46. What is specific heat capacity?
- 47. State the First law of thermodynamics.
- 48. State the Zeroth law of thermodynamics.
- 49. What is temperature?
- 50. What is heat?
- 51. What is satellite?
- 52. What is weightlessness?
- 53. Why do planets move around the sun?
- 54. What is the difference between revolution and rotation?
- 55. What is centripetal acceleration?
- 56. What factors affect the value of g (gravity)?
- 57. What is orbital velocity?
- 58. What is gravitational potential energy?
- 59. What is gravitational field?
- 60. State Newton’s law of gravitation.
- 61. What is escape velocity?
- 62. What is efficiency?
- 63. What is work-energy theorem?
- 64. What is mechanical energy?
- 65. State the law of conservation of energy.
- 66. What are conservative and non-conservative forces?
- 67. Define power.
- 68. What is potential energy?
- 69. What is kinetic energy?
- 70. Define work.
- 71. State the law of conservation of momentum.
- 72. What is momentum?
- 73. What is free-body diagram (FBD)?
- 74. What factors affect friction?
- 75. What is limiting friction?
- 76. What is friction? Name its types.
- 77. State Newton’s Third Law of Motion with an example.
- 78. State Newton’s Second Law of Motion.
- 79. What is inertia?
- 80. State Newton’s First Law of Motion.
- 81. Define centripetal force.
- 82. What is circular motion? Give an example.
- 83. What is relative velocity?
- 84. Explain uniform and non-uniform motion.
- 85. What is projectile motion? Give one example.
- 86. State the three equations of motion.
- 87. What is acceleration?
- 88. Define velocity and speed.
- 89. What is displacement? How is it different from distance?
- 90. What is the difference between scalars and vectors? Give examples.
- 91. What is the difference between systematic error and random error?
- 92. What is a zero error in measuring instruments?
- 93. How can dimensions help in checking the correctness of a physical equation?
- 94. Write the dimensional formula of force.
- 95. What is dimensional analysis? Mention one of its uses.
- 96. What are significant figures? Why are they used?
- 97. Define accuracy and precision in measurements.
- 98. What are SI units? Why are they important?
- 99. What is the difference between fundamental and derived quantities?
- 100. What are physical quantities? Give two examples.