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# Must Practice portions for class xi physics Hi Class XI Students!

The following portions are very much essential for obtaining a pass mark in class XI. So please read the portions from your text book well and try to answer the questions which can be asked from them.

• Uses of dimensional analysis
• Types of errors and propagation off errors
• derivation of equations of uniformly accelerated motion graphically.
• Derive expression for the trajectory of a projectile (or show that the trajectory of a projectile is a parabola.
• Derive expression for the horizontal range, time of flight and max. height of a projectile motion
• Derive expression for centripetal acceleration of a body in uniform circular motion.
• State the laws of motion
• Derive F = ma
• Law of conservation of momentum and its applications
• Impulse – momentum principle and its applications
• Laws of friction
• Motion of connected systems and expression for T and a
• Banking of roads at curves
• Max safe speed of a car on a level road at curve and on a banked road.
• Work energy theorem and applications
• Potential energy of a spring
• Law of conservation of energy and applications
• Derive expression for the velocities after collision when two bodies collide elastically when moving in one dimension
• Theorems of moment of inertia and applications
• Derive expression for torque
• Derive an expression for rotational kinetic energy
• Law of conservation of angular momentum and applications
• Keplers laws of planetary motion.
• Escape Velocity
• Orbital velocity
• Geostationary or geosynchronous satellites  their height from surface of earth and orbital speed
• Variation of acceleration due to gravity with height (altitude) and depth
• Hooke’s law
• Stress vs strain graph
• Youngs modulus, bulk modulud and modulus of rigidity
• Types of strain and stress
• Pascal’s law and its applications
• State and prove bernoulli’s theorem and discuss the applications
• Torricellis theorem and its proof using Bernoulli’s theorem
• Theory of Venturimeter.
• Stokes law and expression for terminal velocity
• Derive expression for excess pressure inside a liquid drop.
• Capillarity and expression for capillary ascent (Capillary ascent formula)
• Thermal stress
• Thermal expansion and its applications
• Thermal conductivity
• Wien’s displacement law in nradiation
• Ferri’s black body
• Kaws of thermodynamics
• Carnot’s heat engine construction and working
• Carnot’s cycle
• efficiency of carnot engine
• carnot’s theorem
• carnot’s refigerator
• Specific heat of gases
• Mayer’s relation
• SHM
• Show that the oscillations of a loaded spring and those of a simple pendulum are simple harmnonic, Derive expression for their time periods.
• Derive expression for the KE, PE and total energy of the oscillations of a loaded spring and express them graphically
• Free, forced, damped vibrations and resonance
• Doppler effect
• Beats and applications This site uses Akismet to reduce spam. Learn how your comment data is processed.

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