JKBOSE CLASS 11TH PHYSICS GUESS PAPER BI ANNUAL 2026
JKBOSE 11th Physics Guess Paper Bi-Annual Private 2026: In this article, I will provide the JKBOSE Class 11th Physics Guess Paper for the Bi-Annual Private Examination 2026. This guess paper has been prepared according to the latest JKBOSE syllabus and examination pattern to help students focus on the most important topics, long questions, short questions, and numerical problems that have a high probability of appearing in the exam. Students appearing in the JKBOSE 11th Class Bi-Annual Private 2026 Physics examination can use this guess paper for effective revision, better preparation, and improving their chances of scoring good marks in the final examination.
1. Write six postulates of kinetic theory of gases.
2. A cricket ball is rolled on ice with a velocity of 5.6 m/s and comes to rest after travelling 8 metre. Find the coefficient of friction. (g = 9.8 m/s²)
3. What is meant by degree of freedom? Write down the degree of freedom of diatomic gas molecule.
4. State Newton's three laws of motion. Show that Newton's second law is the only real law of motion.
5. Derive the expression for time period of a simple pendulum using dimension analysis.
6. Define terminal velocity. Derive an expression for the terminal velocity of a falling sphere through a viscous liquid.
7. What is angular momentum and explain law of conservation of angular momentum with applications.
8. Define periodic motion. Give two examples which have both periodic and simple harmonic motion.
9. State and explain the principle of conservation of angular momentum.
10. State universal law of gravitation. Derive relation between 'g' and 'G'.
11. Define escape velocity. Derive an expression for it.
12. State the two theorems of moment of inertia (parallel and perpendicular axes).
13. What are standing waves and how they are formed in string and organ pipe?
14. Write the dimension of α/β in the relation, where F, x, t are force, displacement, and time respectively.
15. Define isothermal and adiabatic processes and give examples of each.
16. Show that the total energy of particles performing linear simple harmonic motion is constant. What is the time period of total energy in SHM?
17. Why are curved roads banked? Obtain an expression for angle of banking of curved road.
18. Obtain an expression for torque in Cartesian co-ordinates.
19. State and explain Kelvin and Clausius statement of second law of thermodynamics. Give two applications of second law.
20. What is a plane progressive wave? Derive an expression for displacement of plane progressive wave.
21. State Bernoulli's theorem in mathematical form (any one form).
22. Define longitudinal and transverse wave with examples.
23. Derive an equation of trajectory of a projectile fired at an angle.
24. Distinguish between elastic and inelastic collisions.
25. State and prove pascal's law and discuss hydraulic brakes on its basis.
26. Explain how g varies with altitude.
27. State the differences between Mass and Moment of inertia (any two).
28. What is meant by a collision? Discuss two types of collision.
29. Define projectile motion. Derive an expression for maximum height, time of flight, and horizontal range of a projectile fired at an angle with the horizontal.
30. Show that the path followed by a projectile is parabolic when projected at an angle θ with horizontal.
31. Define work, power, and energy. Give their S.I. units.
32. A force of 50 N acts on a body and moves it to a distance of 4 m on a horizontal surface. Calculate work done if the direction of force is at an angle of 60° to the horizontal surface.
33. What is simple pendulum? Derive the expression for its time period and frequency.
34. Write down the four assumptions of Kinetic theory of gases.
35. State Newton's first and second laws of motion, also define one Newton of force.
36. State Kepler's laws of planetary motion (any two).
37. State first law of thermodynamics in mathematical form.
38. Derive relation between torque and angular momentum.
39. Define centre of mass. Find an expression for the position vector of centre of mass of a two-particle system.
40. Why longitudinal waves are called pressure waves?
41. What is thermal equilibrium and explain zeroth law of thermodynamics.
42. Write the equation for momentum, and work done in rotational motion.
43. Obtain the dimensions and units of coefficient of viscosity.
44. Briefly explain equilibrium of a rigid body.
45. The value of Stefan's constant is J s⁻¹ K⁻¹ m⁻². Find its value in CGS system.
46. At what distance from the mean position is kinetic energy equal to potential energy in SHM? Briefly explain.
47. Elastic and inelastic collisions in one dimension and two dimensions.
48. State the conditions for the equilibrium of a particle under concurrent forces.
49. Difference between static and kinetic friction. Also explain laws of friction.
50. State and explain the first law of thermodynamics and discuss its applications.
51. State Bernoulli's theorem. Explain its one application.
52. Explain Kepler's laws of planetary motion and deduce Newton's law of gravitation from them.
53. Find an expression for the gravitational potential energy of a body situated at a distance "r" from the centre of earth.
54. What should be the angles of projection of a projectile fired at an angle with the horizontal to obtain: (a) Maximum height (b) Maximum time of flight (c) Maximum horizontal range
55. Derive an expression for displacement of a plane progressive wave in different forms.
56. An electric heater supplies heat to a system at a rate of 100 W. If system performs work at a rate of 75 Joules per second, at what rate is internal energy increasing?
57. Define simple harmonic motion. Derive an expression for displacement, velocity, and acceleration of a particle executing SHM.
58. Write the uses and limitations of the dimensional analysis.
59. Define fundamental and derived units with examples. (Significant figures)
60. State and establish the conservation law of angular momentum.
61. Describe the total degree of freedom for monatomic, diatomic, and triatomic molecules.
62. The moment of inertia and radius of gyration of a uniform circular disc about its diameter?
63. Numericals on multiplication of vectors.
64. Viscosity, Stokes law, terminal velocity, critical velocity with derivation.
65. At what height above earth's surface, value of "g" is same as in a 100 km deep mine?
66. State Pascal's law with applications.
67. At what distance from the mean position is kinetic energy equal to potential energy? Briefly explain in case of S.H.M.
68. What do you mean by reversible process? Give example.
69. Find the dimensions of Planck's constant. If its value in CGS system is erg-sec, what will be its value in MKS system?
70. State law of equipartition of energy. Write the number of degrees of freedom of monoatomic, diatomic, and triatomic gas.
71. Define centripetal force. Derive an expression for it.
72. From the velocity-time graph of uniform accelerated motion, deduce the equation of motion in velocity and time.
73. Derive an expression for viscous force acting on a body of radius (r) falling with a velocity (v) through a viscous liquid on the basis of dimensional analysis.
74. RMS speed of molecule, degree of freedom, and mean free path.
75. Define kinetic energy and derive an expression for it.
76. Briefly discuss the limitations of first law of thermodynamics.
77. A refrigerator is to remove heat from the eatables kept inside at 9°C and if room temperature is 36°C, calculate the coefficient of performance.
78. Define orbital velocity. Derive an expression for it.
79. Derive the relation for torque acting on a particle in a plane.
80. Explain static friction and kinetic friction. Can the value of kinetic friction be greater than static friction? Explain.
81. What is meant by restoring force and force constant?
82. The moon has a period of 28 days and orbital radius of km. What is the orbital radius of a satellite that has a period of 1 day?
83. Define reversible and irreversible process.
84. Variation of acceleration due to gravity with altitude and depth.
85. Laws of conservation of linear momentum and its applications.
86. Though friction opposes relative motion, yet in certain cases, friction is also the cause of motion. (i) Give one example where friction causes motion. (ii) Give the direction of friction on front wheel of a bicycle when it is pedalled. (iii) Friction is a necessary evil. What does this imply in day-to-day life?
87. Define Thermal Equilibrium. How does it occur? What is the relationship between thermal equilibrium and zeroth law?
88. Moment of inertia and radius of gyration.
89. Define conservative and non-conservative forces. Give two points of difference.
90. State Newton's first and second laws of motion, also define one Newton of force.
91. Wein's displacement law and Stefan's law.
92. Define collision. Define two types of collision.
93. Explain the principle of homogeneity of dimensions with examples.
94. What are cyclic and non-cyclic proces?
95. Capilarity. Derive ascent formula for the rise of a liquid in a capillary tube.
96. Calculate the root mean square speed of oxygen (O₂) molecules at 273 K.
97. Postulates/Assumptions of kinetic theory of gases.
98. Streamline flow and turbulent flow. Define streamline and turbulent flow.
99. Show that average kinetic energy of translation per molecule of gas is directly proportional to the absolute temperature of gas.
100. Expression for pressure exerted by a gas.
