Class 11 Physics questions with answers

210 NCERT Class 11 Physics questions with answers, chapter by chapter, from Units and Measurement to Waves.

How to teach Class 11 Physics · Class 11 Physics common misconceptions

• Chapter 1: Units and Measurement

  15 questions, 2 with pictures · Measurement standards and SI units · Indirect measurement, magnification and instrument precision · Rounding and preserving guard digits · Significant figures and scientific notation · Significant-figure arithmetic and relative uncertainty · Dimensional formulae from physical definitions · Dimensionless angles and angular change · Dimensional homogeneity and limits of checking · Converting powered and compound units · Deriving power laws and estimating physical scales

• Chapter 2: Motion in a Straight Line

  15 questions, 4 with pictures · Point-object approximation and the description of motion · Displacement, path length and average motion · Instantaneous velocity and its calculation · Reading position-time graphs · Signed acceleration and speed changes · Areas of motion graphs · Constraints on physically possible motion plots · Constant-acceleration equations and initial position · Vertical motion under constant gravity · Stopping, reaction time and free-fall scaling · Relative velocity in one dimension

• Chapter 3: Motion in a Plane

  15 questions, 5 with pictures · Free-vector equality and scalar multiplication · Head-to-tail addition, subtraction and vector bounds · Path length, displacement and average velocity · Scalars, vectors and meaningful operations · Resolution, signed components and unit vectors · Flight time, maximum height and unequal levels · Independent simultaneous component motion · Instantaneous velocity and acceleration in components · Analytical sums and relative velocity · Projectile independence, trajectory and highest point · Range, complementary angles and constrained launches · Uniform circular motion, angular rate and acceleration

• Chapter 4: Laws of Motion

  15 questions, 7 with pictures · Inertia, equilibrium and the instantaneous force · Resolving concurrent forces · Vector second law and finite force intervals · Position-time slopes and impulsive changes · Vector impulse and collision duration · Connected bodies, tension and contact forces · Momentum conservation and recoil · Mutual forces and system boundaries · Normal force, apparent weight and spring restoration · Inclined-plane limiting friction · Level and banked circular roads

• Chapter 5: Work, Energy and Power

  15 questions, 3 with pictures · Mechanical energy and dissipative transfers · Potential energy, conservative forces and reference choice · Scalar product and work by a specified force · Kinetic energy and speed comparisons · Net work and kinetic-energy change · Work from force-position graphs and integrals · Allowed positions and turning points · Spring energy and energy exchange · Energy and the taut-string condition in a vertical circle · Power, efficiency and energy units · Collision systems, momentum and kinetic-energy conversion · Head-on and planar collision predictions · Mass leaving a moving system

• Chapter 6: Systems of Particles and Rotational Motion

  15 questions, 3 with pictures · Rigid-body translation, rotation and rolling · Centre of gravity and centre of mass · Centre of mass of particles and composite bodies · External forces and centre-of-mass motion · Angular velocity and linear velocity vectors · Vector products, area and volume · Angular momentum of particles and systems · Force balance, torque balance and support reactions · Torque, moment arms and couples · Moment of inertia, standard shapes and radius of gyration · Fixed-axis rotational kinematics · Rotational dynamics, energy, work and power · Axial angular momentum and conservation

• Chapter 7: Gravitation

  15 questions, 3 with pictures · Elliptical orbits, equal areas and angular momentum · Kepler period scaling and estimating central masses · Measuring G with a torsion balance · Universal attraction, inverse-square scaling and action–reaction · Shell theorem, hemispheres and absence of shielding · Vector superposition and neutral points · Surface gravity and changes with altitude and depth · Conservative work, exact potential differences and pair counting · Potential, field and zero reference · Escape threshold and residual speed · Binding energy and transfers between circular orbits · Circular orbital speed and satellite mass · Weightlessness, shielding and tidal effects

• Chapter 8: Mechanical Properties of Solids

  15 questions, 2 with pictures · Stress and reference-length strain · Poisson ratio and transverse contraction · Elastic extension with series and shared loads · Young modulus, material stiffness and wire geometry · Reading Young modulus and strength from stress-strain data · Shear modulus and deformation of coils · Bulk compression, density and compressibility · Elastic energy under gradual loading · Elastic recovery and proportionality · Load limits, beam shape and material failure

• Chapter 9: Mechanical Properties of Fluids

  15 questions, 2 with pictures · Hydrostatic balance and communicating liquids · Pascal transmission and hydraulic displacement · Pressure, force and area · Absolute pressure, gauge pressure and barometers · Bernoulli energy balance and its limits · Steady flow and mass continuity · Efflux and dynamic lift · Viscous pipe flow and radius sensitivity · Stokes drag, buoyancy and terminal motion · Viscous shear and temperature response · Curvature pressure in drops and bubbles · Surface energy, surface tension and soap films · Contact angle, wetting and capillarity

• Chapter 10: Thermal Properties of Matter

  15 questions, 2 with pictures · Conductive heat current and thermal resistance · Thermometric scales and gas thermometers · Blackbody spectra and thermal-radiation laws · Free expansion and constrained thermal stress · Linear, area and volume expansion · Thermal density change and anomalous water · Heat capacities, power and calorimetry · Phase-change energy and heating curves · Pressure, phase coexistence and triple points · Temperature, heat and energy transfer · Convection, radiation and thermal insulation · Newton cooling and excess temperature

• Chapter 11: Thermodynamics

  15 questions, 2 with pictures · Thermal equilibrium and the zeroth law · First law, signs and path independence · Internal energy and modes of energy transfer · Isochoric and isobaric energy balances · Reversibility requires restoration of system and surroundings · Heat capacity, calorimetry and heating rates · Ideal-gas heat capacities and Cp−Cv · Isothermal ideal-gas energy and work · State variables, equations of state and scaling · Quasi-static paths and insulated free expansion · Reversible adiabatic relations and temperature change · Cyclic state changes and signed PV work · Second-law restrictions, engines and refrigerators · Carnot cycle, temperature limit and working substance

• Chapter 12: Kinetic Theory

  15 questions, 3 with pictures · Molecular matter and dynamic equilibrium · Molecular volume, number density and spacing · Avogadro law and partial pressures · Ideal-gas equation, amount and pressure conventions · Ideal-gas limits and real-gas graphs · Wall collisions, isotropy and pressure · Temperature, translational energy and rms speed · Active degrees of freedom and equipartition · Gas and solid heat capacities · Mean free path and collision times

• Chapter 13: Oscillations

  15 questions, 1 with pictures · Combining harmonic functions and commensurate periods · Energy partition, amplitude scaling and energy period · Period, frequency and angular frequency · Periodic, oscillatory and simple harmonic motion · Initial conditions and phase conventions · Uniform circular motion and its linear projections · Direction of velocity, acceleration and restoring force · Maximum speed and speed at a given displacement · Pendulum equilibrium under horizontal acceleration · Amplitude, equilibrium offset and sinusoidal displacement · Restoring linear force and the defining SHM condition · Spring period, calibration and gravity independence · Two restoring springs and a free two-mass spring · Small-angle pendulum and period scaling · Buoyant cork and liquid-column restoring forces

• Chapter 14: Waves

  15 questions, 2 with pictures · Mechanical disturbances and wave types · Algebraic superposition and phase interference · Progressive wave equations, phase and units · Beat envelope and frequency determination · Wave speed and tension on strings · Wave speed, source frequency and flight times · Elasticity, sound speed and Laplace correction · Air-column modes and displacement-pressure nodes · Reflection and boundary conditions · Standing-wave structure, amplitude and phase · String normal modes and musical quality