JEE Mains Physics
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Questions and Answers

What is the unit of angular momentum?

  • kg m^2/s^2
  • kg m/s
  • kg/s
  • kg m^2/s (correct)

    • The laws of thermodynamics are applicable only to ideal gases.

    False

    What is the difference between empirical and molecular formulae?

    Empirical formula shows the simplest whole number ratio of atoms of different elements in a compound, while molecular formula shows the actual number of atoms of each element in a molecule.

    The ________________ principle states that an electron occupies the lowest available energy level in an atom.

    <p>Aufbau</p> Signup and view all the answers

    Match the following types of waves with their properties:

    <p>Mechanical wave = Requires a medium to propagate Electromagnetic wave = Can travel through a vacuum</p> Signup and view all the answers

    What is the order of reaction with respect to a reactant if the concentration of the reactant is doubled and the rate of reaction increases by a factor of four?

    <p>2</p> Signup and view all the answers

    The moment of inertia of a body about an axis is always minimum.

    <p>False</p> Signup and view all the answers

    What is the difference between s-, p-, d-, and f-block elements?

    <p>s-block elements have one or two electrons in the outermost energy level, p-block elements have three to six electrons, d-block elements have one to ten electrons, and f-block elements have eleven to fourteen electrons.</p> Signup and view all the answers

    The process of transfer of energy from one body to another without any medium is known as ________________.

    <p>radiation</p> Signup and view all the answers

    What is the value of the electric potential at a distance r from a point charge q?

    <p>kq/r</p> Signup and view all the answers

    Study Notes

    Physics

    JEE Mains

    • Mechanics:
      • Kinematics: motion in one, two, and three dimensions
      • Dynamics: Newton's laws, friction, circular motion
      • Work, energy, and power
    • Waves and Optics:
      • Types of waves (mechanical, electromagnetic)
      • Wave properties (amplitude, frequency, wavelength, speed)
      • Reflection, refraction, and diffraction of light
    • Electricity and Magnetism:
      • Electric charges and fields
      • Electric potential, capacitance, and resistance
      • Magnetic fields, forces, and induction
    • Heat and Thermodynamics:
      • Temperature, thermal expansion, and heat transfer
      • Laws of thermodynamics (Zeroth, First, Second, and Third)

    JEE Advance

    • Mechanics:
      • Rotational motion, torque, and angular momentum
      • Gravitation, central forces, and orbital motion
      • Oscillations and simple harmonic motion
    • Electromagnetic Waves and Optics:
      • Electromagnetic spectrum, radiation, and emission
      • Interference, diffraction, and polarization of light
      • Fiber optics and communication systems
    • Electricity and Magnetism:
      • Electrostatics, capacitors, and dielectrics
      • Magnetostatics, Biot-Savart law, and Ampere's law
      • Electromagnetic induction, Faraday's law, and Lenz's law
    • Modern Physics:
      • Atomic physics: Bohr's model, energy levels, and spectra
      • Nuclear physics: radioactivity, decay modes, and nuclear reactions
      • Semiconductors and p-n junctions

    Chemistry

    JEE Mains

    • Physical Chemistry:
      • Atomic structure: electron configuration, Aufbau principle
      • Chemical bonding: ionic, covalent, and molecular orbital theory
      • Stoichiometry, mole concept, and empirical formulae
    • Inorganic Chemistry:
      • Periodic table, periodic trends, and properties
      • s-, p-, d-, and f-block elements
      • Chemical reactions, oxidation states, and acid-base chemistry
    • Organic Chemistry:
      • Functional groups, nomenclature, and isomerism
      • Reaction mechanisms, stereochemistry, and organic synthesis

    JEE Advance

    • Physical Chemistry:
      • Thermodynamics: laws, systems, and processes
      • Chemical equilibrium, Le Chatelier's principle, and equilibrium constants
      • Electrochemistry: cells, electrodes, and electrolysis
    • Inorganic Chemistry:
      • Coordination chemistry: complexes, isomerism, and reactions
      • Organo-metallic compounds, catalysts, and biomolecules
      • Descriptive chemistry of main group elements
    • Organic Chemistry:
      • Reaction mechanisms, reagents, and stereochemistry
      • Biomolecules, carbohydrates, and amino acids
      • Spectroscopy: UV-Vis, IR, NMR, and Mass spectroscopy

    Mathematics

    JEE Mains

    • Algebra:
      • Quadratic equations, functions, and graphs
      • Inequalities, linear equations, and matrices
      • Sequence and series, permutations, and combinations
    • Calculus:
      • Limits, derivatives, and their applications
      • Integrals, definite integrals, and area under curves
    • Geometry and Trigonometry:
      • Coordinate geometry, straight lines, and circles
      • Trigonometric identities, equations, and functions

    JEE Advance

    • Algebra:
      • Determinants, vector algebra, and scalar triple product
      • Linear programming, linear and quadratic equations
      • Group theory, permutation, and combination
    • Calculus:
      • Differential equations, applications, and numerical methods
      • Vector calculus, divergence, and curl
      • Multiple integrals, surface and volume integrals
    • Geometry and Trigonometry:
      • 3D geometry, vectors, and scalar triple product
      • Inverse trigonometric functions, complex numbers, and argand plane

    Physics

    JEE Mains

    Mechanics

    • Kinematics: describes motion in one, two, and three dimensions
    • Dynamics: applies Newton's laws to objects, including friction and circular motion
    • Work, energy, and power: relates to an object's motion and interactions

    Waves and Optics

    • Types of waves: mechanical (requires medium) and electromagnetic (no medium)
    • Wave properties: amplitude, frequency, wavelength, and speed
    • Light reflection, refraction, and diffraction: interactions with matter

    Electricity and Magnetism

    • Electric charges and fields: properties and interactions
    • Electric potential, capacitance, and resistance: electric circuits
    • Magnetic fields, forces, and induction: effects on charged particles and currents

    Heat and Thermodynamics

    • Temperature, thermal expansion, and heat transfer: processes and properties
    • Laws of thermodynamics: Zeroth (temperature), First (energy), Second (entropy), and Third (absolute zero)

    JEE Advance

    Mechanics

    • Rotational motion: angular velocity, torque, and angular momentum
    • Gravitation: central forces, orbital motion, and planetary motion
    • Oscillations and simple harmonic motion: periodic motion and energy transfer

    Electromagnetic Waves and Optics

    • Electromagnetic spectrum: types of radiation and applications
    • Light interference, diffraction, and polarization: wave properties and applications
    • Fiber optics and communication systems: data transmission and applications

    Electricity and Magnetism

    • Electrostatics: electric charges, fields, and potential
    • Magnetostatics: magnetic fields, forces, and Biot-Savart law
    • Electromagnetic induction: Faraday's law, Lenz's law, and motional EMF

    Modern Physics

    • Atomic physics: Bohr's model, energy levels, and atomic spectra
    • Nuclear physics: radioactivity, decay modes, and nuclear reactions
    • Semiconductors and p-n junctions: electronic devices and applications

    Chemistry

    JEE Mains

    Physical Chemistry

    • Atomic structure: electron configuration, Aufbau principle, and periodic trends
    • Chemical bonding: ionic, covalent, and molecular orbital theories
    • Stoichiometry: mole concept, empirical formulae, and chemical reactions

    Inorganic Chemistry

    • Periodic table: properties, trends, and relationships
    • s-, p-, d-, and f-block elements: properties and reactions
    • Chemical reactions, oxidation states, and acid-base chemistry: inorganic compounds

    Organic Chemistry

    • Functional groups, nomenclature, and isomerism: structural properties
    • Reaction mechanisms, stereochemistry, and organic synthesis: chemical reactions

    JEE Advance

    Physical Chemistry

    • Thermodynamics: laws, systems, processes, and applications
    • Chemical equilibrium: Le Chatelier's principle, equilibrium constants, and kinetics
    • Electrochemistry: cells, electrodes, electrolysis, and corrosion

    Inorganic Chemistry

    • Coordination chemistry: complexes, isomerism, and reactions
    • Organo-metallic compounds, catalysts, and biomolecules: applications and properties
    • Descriptive chemistry of main group elements: properties and reactions

    Organic Chemistry

    • Reaction mechanisms, reagents, and stereochemistry: chemical reactions
    • Biomolecules, carbohydrates, and amino acids: structural and functional properties
    • Spectroscopy: UV-Vis, IR, NMR, and Mass spectroscopy: analytical techniques

    Mathematics

    JEE Mains

    Algebra

    • Quadratic equations, functions, and graphs: algebraic expressions
    • Inequalities, linear equations, and matrices: solving systems
    • Sequence and series, permutations, and combinations: discrete mathematics

    Calculus

    • Limits, derivatives, and their applications: functions and optimization
    • Integrals, definite integrals, and area under curves: accumulation and volume

    Geometry and Trigonometry

    • Coordinate geometry, straight lines, and circles: spatial relationships
    • Trigonometric identities, equations, and functions: periodic behavior

    JEE Advance

    Algebra

    • Determinants, vector algebra, and scalar triple product: linear transformations
    • Linear programming, linear and quadratic equations: optimization and systems
    • Group theory, permutation, and combination: abstract algebra and counting principles

    Calculus

    • Differential equations, applications, and numerical methods: modeling and solution
    • Vector calculus, divergence, and curl: multivariable calculus and physics
    • Multiple integrals, surface and volume integrals: higher-dimensional calculus and physics

    Geometry and Trigonometry

    • 3D geometry, vectors, and scalar triple product: spatial relationships and calculus
    • Inverse trigonometric functions, complex numbers, and argand plane: analytical geometry and algebra

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