Showing list of iit-jee blogs

• Temporary removal of water hardness
• Clark's method to temporarily remove water hardness
• How to remove water hardness permanently
• Types of Intermolecular forces
• differences between centroid and Center of Mass
• How Electron in hydrogen atom is put into higher energy state
• Relationship between thermal resitance and Electrical resistance
• Fermi level in semiconductor
• Right-hand rule in physics
• Gravitational field
• Comparison between Gravitational Field, Electric Field and Magnetic Field
• Types of fields in physics
• Difference between Impedance and resistance
• Meaning of 230v AC supply and rms voltage
• Difference in attenuation between electromagnetic waves (such as light) and sound waves
• why speed of light so high as compared to speed of sound
• Difference between Attenuation and damping
• How Attenuation affects the amplitude (intensity) of a wave
• Why there is a limit to how far sound wave can travel
• In general does wave velocity remain constant or keeps changing
• rms current explained
• why forward voltage drop in normal silicon diode is around 0.7 volt and on what factors this depends
• Difference between Normal and Ideal Silicon Diode
• Inductance and its unit
• half-life of a radioactive substance
• why body weighs slightly less at the equator compared to the North and south Poles
• Zener breakdown and doping level and depletion layer width
• How The shortest wavelength X-rays are produced in X ray tubes
• Difference between Inductor and resistor
• why no current flows through the inductor as soon as switch is turned on in the circuit
• Electron and proton do not have the same mass but they have same magnitude of charge
• differences between ideal gases and real gases
• difference between Tensile stress, shearing stress, and hydraulic stress
• Difference between Scalar (Dot Product) and Vector Product
• does ball take same time to go up and come down?
• Difference between MOTION IN A STRAIGHT LINE and Motion in a plane
• difference between diode and transistor
• why we can not use diode in logical gates
• Examples of chemical equilibrium
• Redox (reduction-oxidation) reactions and applications
• Techniques used to study atoms and their structures
• Difference between Crystals and molecules
• How Double-slit diffraction experiment is related to quantum theory
• why we get maxima in single-slit experiment
• spectrum types in physics
• what are typical wavelengths in atomic spectrum
• how hydrogen spectrum is created and observed
• The Balmer series and the Lyman series in Hydrogen Spectrum
• till what energy level, electrons can be excited to in hydrogen. is there a limit on that energy level?
• Chemical equilibrium and it's applications
• Electrostatics applications
• difference between sigma and pi bonds
• How the bond length in a molecule is measured
• Notable discoveries in each century starting from 16th century
• Notable discoveries, laws, and scientists in the fields of physics, chemistry, and mathematics, starting from 16th century.
• why Photo electric effect does not work below minimum threshold frequency
• How Max Planck resolved the ultraviolet catastrophe
• Theories of relativity and quantum mechanics explained in simple words
• Meaning of classical physics
• Difference between relations and functions in maths
• Retentivity and coercivity of permanent magnets and magnets used in transformers
• kepler's law explained
• centripetal force , Period T and angular velocity relationship
• When body is being pulled from sliding down, frictional force is added or subtracted from the pulling force
• relationship between coefficient of friction and angle of surface to horizontal on which body is being pushed upwards
• What is the free body diagram in physics
• What is the angle of repose
• Various types of velocity in physics
• why high voltage is necessary to transmit the electricity
• how turbine generates electricity
• Examples of how energy is transformed from one type to another
• Various types of energy in Physics
• Difference between Circular motion and rotational motion
• types of momentum in physics
• Equilibrium of a particle
• Common forces in mechanics
• why capacitors are used in ceiling fans
• can 2 electric fields overlap with each other?
• Every electric field is associated with a magnetic field. is it true?
• How Electric field is created
• pentavalent meaning in chemistry
• how N-type and P-type semiconductors are electrically neutral
• how holes conduct electricity in p-type semiconductor
• why we do not use intrinsic semiconductor instead of extrinsic semiconductors?
• why Valence electrons are special
• Significance of group, period and blocks s,f,d,p in Periodic table
• how to find the electronic configuration of any atom
• how to find the valence electrons of any atom
• why we can not use copper instead of silicon in Integrated circuits
• difference between Valence Band (VB) and conduction band
• Pauli's Exclusion Principle
• quantum numbers, orbitals and electronic configuration in Atom
• difference between orbit and orbitals in atom
• Types of orbitals in Atom explained
• why the valence of silicon is 4
• how many energy levels are there in atoms
• Bohr model in Physics
• Band theory in Physics
• Why The electrical conductivity of copper decreases when temperature increases
• How do we adjust the Electrical conductivity of semiconductor
• why Cobalt and lithium is used in lithium batteries
• difference between conductor and insulator
• why and when we use capacitor
• why and when we use resistors
• what is voltage and how it works
• How the mobile phone charger works
• Alpha, beta, and gamma rays explained
• how rainbow works
• does sun send all wave types in electromagnetic spectrum?
• UV (Ultraviolet) ray types and impact on human body
• why the infrared waves are used in remote controls and not any other type of waves like light wave or microwave?
• How the X-rays are generated and its applications
• Why the eggs get exploded in microwave
• How Microwaves are generated in a microwave oven
• How radio transmitter and reciever works
• how the modulation works in Electromagnetic waves
• how the radio waves work
• how the prism works
• How generator works
• Difference between photon and proton
• why the copper wire is commonly used in the stator windings of electric motors
• How the motor in a water pump works
• Meaning of Blackbody in Physics
• Buoyancy in Physics
• Physics involved in soap bubbles
• Meaning of Hydraulic systems
• Types of waves in Physics
• Doppler Effect in Physics
• Difference between Linear Simple Harmonic Motion and Angular Simple Harmonic Motion
• Torque in Physics
• System of particles and Center of Mass in Physics
• Rigid body and non rigid body meaning with examples
• tips to solve the tension and force pully problems in physics
• why lithium atomic mass is 7
• what is the meaning of isotope?
• how and when protons were discovered if they are not visible to eyes
• how do we decide if specific element in periodic table is a metal or gas ?
• Covalent bond, ionic bond and diatomic molecules with examples
• Difference between atom, molecule and compound in chemistry with examples
• why sodium chloride has crystal lattice structure
• Nuclear force, electric force and gravitation force with example
• difference between nuclear fission and nuclear fusion with example
• ion, cation and anion with example
• Difference between Mass and weight
• Newton's three laws of motion
• All types of series in mathematics
• All types of numbers in mathematics
• Real-world applications of Cartesian products concept
• Calculus in maths Explained
• Difference between Linear and nonlinear functions
• Difference between degrees and radians
• Prime number applications in physics chemistry maths
• Difference between physical, organic and inorganic chemistry
• tips from IIT toppers to crack JEE exam
• best teachers and books to prepare for JEE and NEET exams
• Top JEE main and Advanced coaching institutes
• The Joint Entrance Examination - main and advanced exam pattern