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- 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