Most important questions | Class 12 NEB Physics
Warning! The questions below are frequenty asked questions in NEB examination. Please follow the syllabus thoroughly. Every chapter and topic of your textbook is important. This questions are only for practice. Mechanics Define moment of inertia. Derive an expression for the moment of inertia of thin uniform rod about an axis through its center and perpendicular to its length. Derive a relation between the torque and angular acceleration in case of a rigid body. State the conservation of angular momentum. Derive the relation between torque and angular momentum. Write the physical significance of moment of inertia. Show that K.E. = \(\frac{1}{2} I \omega^2\) where the symbols have their usual meanings. Define simple harmonic motion. Show that the bob of a simple pendulum may move with simple harmonic motion and find its time period. Find an expression for the energy of particle in SH...
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