General Science for RRB Group D

General Science for RRB Group D

• Units and Measurement:

  • Understanding fundamental units (meter, kilogram, second) and their derived units (e.g., area, volume).
  • Conversion between different units.
  • Significant figures and their importance in scientific measurements.
  • Errors in measurement and types of errors (random, systematic).

• Motion:

  • Describing motion using displacement, velocity, and acceleration.
  • Graphical representation of motion (distance-time, velocity-time graphs).
  • Equations of motion for uniformly accelerated motion.
  • Types of motion (uniform, non-uniform, accelerated).
  • Understanding concepts like speed, velocity, and acceleration.

• Laws of Motion:

  • Newton's three laws of motion (inertia, force and acceleration, action-reaction).
  • Concepts of momentum, impulse, and conservation of momentum.
  • Applications in everyday life.

• Gravitation:

  • Understanding universal law of gravitation and its implications.
  • Gravitational force, acceleration due to gravity, and its variations.
  • Weight and mass.
  • Satellite motion.

• Work, Energy, and Power:

  • Definitions of work, energy (kinetic, potential, and total mechanical energy), and power.
  • Relationship between work, energy, and power.
  • Laws of conservation of energy.
  • Examples of different forms of energy and their applications.
  • Units of work, joules, work-energy theorem, power in watts.

• Heat:

  • Concepts of heat, temperature, and their difference.
  • Specific heat capacity, latent heat, and their applications.
  • Methods of heat transfer (conduction, convection, and radiation).
  • Different states of matter.

• Light:

  • Reflection and refraction of light.
  • Laws of reflection and refraction.
  • Different types of mirrors and lenses.
  • Formation of images by mirrors and lenses.
  • Optical instruments (microscope, telescope).
  • Nature of light (wave and particle nature).

• Sound:

  • Nature of sound as a wave.
  • Characteristics of sound waves (frequency, amplitude, wavelength).
  • Speed of sound in different media.
  • Reflection, refraction, interference, and diffraction of sound waves.
  • Applications of sound in daily life.

• Electricity and Magnetism:

  • Basic concepts of electricity (current, potential difference, resistance, Ohm's law).
  • Series and parallel circuits.
  • Simple electrical instruments (ammeter, voltmeter).
  • Basic concepts of magnetism (magnetic fields, magnetic materials, electromagnets).
  • Electromagnetic induction.

• Atomic Structure and Structure of Matter:

  • Fundamental particles (protons, neutrons, electrons).
  • Atomic number, mass number, isotopes, and isobars.
  • Bohr model of atom.
  • Molecular structure.
  • States of matter.
  • Mole concept and its applications.
  • Elements, compounds, and mixtures.

• Modern Physics:

  • Brief introduction to nuclear physics (radioactivity, nuclear fission, and fusion).
  • Concepts of radioactivity, half-life, and its applications.
  • Basic idea of radioactivity and the nuclear models.

• Biology:

  • Important biological concepts needed for the exam.
  • Basic biological terminology.
  • Basic definitions.
  • Classification of living organisms.
  • Plant and animal cells.

• Chemistry:

  • Fundamental chemical concepts.
  • Atoms, molecules, elements, and compounds.
  • Basic chemical reactions.
  • Conservation of mass and energy.
  • Classification of matter.
  • Basic periodic table.