infobank for readers and discoverers
MODERN PHYSICS
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describe the following ,radioactivity,Alpha decay,Beta decay,Gamma decay,Half-lives and probability in physics
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HEAT
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Latent heat
Latent Heat of Fusion and Vaporisation
Formula for Latent Heat
define absolute zero tempurature
Boiling point
Factors affecting the rate of condensation and evaporation
An explanation of vapor pressure
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mechanics
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Angle of Friction and Angle of Repose
Laws of Solid Friction
Coefficient of Static and Kinetic Friction
Friction and Types of Friction
Principle of Conservation of Linear Momentum
Linear Momentum and Impulse
Newton Laws of Motion
State of a Body and Inertia
Expression for Time of Flight, Horizontal Range and Maximum height
Projectile fired at an angle with Horizontal
Introduction to Kinematics
Parallelogram law of vectors
Triangle law of vector addition
Properties of scalar product,Vector addition
Differences between Scalars and Vector Quantities
Physical quantities
With a clear diagram, explain the mode of operation of a refrigerator
Why does gravitational acceleration differ at different places on earth
Describe an experiment to determine the acceleration due to gravity using a pendulum bob, retort stand and a stop clock
What is the definition of "acceleration due to gravity
what factors influence terminal velocity of a falling object through the air
Give an explanation of the valence shell of an atom
Explain how electrons are arranged in an atom
Describe the basic structure of an atom
Contrast the characteristics of conductors and insulators
What is terminal velocity?
How Acceleration Relates to Kinetic Energy
Difference Between Vector Quantity and Scalar Quantity
difference between potential energy and kinetic energy
difference between force pump and lift pump
what are the applications of archimedes principle in every day life
what is the difference between first class lever and second class lever
The principle of conservation of energy states
difference between speed and velocity in physics
What's the difference between speed and velocity
importance of a vernier callipers
There are three types or classes of levers, according to where the load and effort are located with respect to the fulcrum
describe the term Capillary action
application of surface tension in physics
Why is water sticky?
Cohesion makes a water drop a drop
Adhesion and Cohesion of Water
Examples of surface tension
describe the term surface tension
Factors affecting Surface Tension
state newtons laws of motion
Simple Harmonic Motion
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waves
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Diferentiate between plane wavefront and spherical wavefront
What is polarizer and analyzer?
Can sound waves be polarized? Explain.,, What is polaroid? Mention the uses of polaroid.,,What is polarizing angle? Does it depend upon the wavelength of light ?
What happens to the single slit experiment when the width of the slit is less than wavelength of the wave
Diffraction grating is better than two slits set up for measuring the wavelength of a monochromatic light
What is the difference between transverse and longitudinal waves
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optics
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Do sound waves undergo reflection, rarefaction and polarization phenomena
What is the diffreence between Frensel’s diffraction and Fraunhofer diffraction ?,,What happens to the Fraunhofer diffraction of light, when it is placed in water?,, Colored spectrum is seen when we see through muslin cloth. Why?
Differentiate between diffraction and interference
Mirror Formula for Concave Mirror
Relation Between Radius of Curvature and Focal Length
Minimum Size of a Mirror to See Full Image of a Man
Deviation of Reflected Ray by a Plane Mirror
Introduction to Reflection of Light
Deviation Produced by Plane Mirror
Lambert’s Cosine Law
Introduction to Photometry
Inverse Square Law
The reflection and refraction of light
MEASUREMENT OF THE FOCAL LENGTH OF A CONVERGING LENS
Describe how you would determine the focal length of a thin converging lens with the help of a plane mirror
Difference between Real Image and Virtual Image
Define power of a lens
WHAT IS MEANT BY CRITICAL ANGLE
CALCULATING THE CRITICAL ANGLE
DECRIBE EFFECT OF GLASS PRISM ON RAY OF LIGHT
VIRTUAL IMAGE AND REAL IMAGE
Differences Between Reflection and Refraction
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electricity
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DIFFERENCE BETWEEN STEP UP AND STEP DOWN TRANSFORMERS
how to minimise energy losses in a transformer
Define a series circuit
Explain what circuit diagrams are used for. Identify what the symbols in the circuit diagrams stand for
Explain how a circuit is formed. List examples of sources that the voltage for any electrical circuit can come from
http://mubirupepu.blogspot.ug/2017/03/explain-how-circuit-is-formed-list.html
Contrast the characteristics of conductors and insulators
Define resistance and how we measure it
Define EMF and explain how it is measured
Define amperes and name the instrument that is used to measures amperage
Explain how an electrical current is produced
Explain the differences between electrons and protons
Explain what DC stands for and what it means
Describe how a magnetic field is created
Compare the definitions of a magnetic field
Explain how current can be induced in a conductor without making contact
CHARACTERISTICS OF MAGNETIC LINES OF FORCE
What is electroplating?
coulombs law of electrostatics
electrostatic notes and coulombs law
Capacitors
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APPLIED SCIENCE ARTICLES
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Why are musical instruments first warmed up before performing
Why does sonometer hollow from inside
Explain why guitar is more preferrable than a sarangi to produce quality musical sound
A flute has several holes in it. Why ?
Why does the sound produced by a tuning fork become louder when the stem of the fork is pressed on the top of a table?
What happens when a tuning fork is filled with wax?
Why is end correction necessary for an organ pipe?
One of the nine jewels of Emperor Akbar, widely known as Tansen (the king of Music) , was able to break glass by singing appropriate note. What physical phenomenon could account for this
Sometimes, the glasses of the windows of a house are found to be shattered when large sounding bodies like aeroplane pass near the hose. Explain how?
Explain why soldiers are ordered to break steps while crossing a bridge?
Why is loud sound heard at resonance
Which organ pipe produces a better quality sound: a closed pipe or open pipe
The frequency of fundamental note of an open organ pipe double than for closed pipe of same length. Why ?
why open pipes are preferred to closed pipes in producing sound
What is the difference between transverse and longitudinal waves
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physical chemistry
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Sub Atomic Particles
Rutherford’s Atomic Model
Thomson’s Atomic Model
Bohr’s atomic Model
Orbit and Orbital
Introduction to Hydrogen
Introduction to Oxygen
Introduction to Ozone
Structure of Water and Ice
Introduction to Organic Compounds
Cleavage of Bond
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chemistry
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.Laboratory preparation of Hydrogen Gas
Laboratory Preparation of Oxygen
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Sunday, 30 April 2017
Making nitriles from aldehydes and ketones
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Making nitriles from aldehydes and ketones Aldehydes and ketones undergo an addition reaction with hydrogen cyanide....
reducing nitriles to primary amines
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REDUCING NITRILES TO PRIMARY AMINES This page looks at the reduction of nitriles to primary amines using either lithiu...
The reduction of nitriles using hydrogen and a metal catalyst
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The reduction of nitriles using hydrogen and a metal catalyst The carbon-nitrogen triple bond in a nitrile can also be r...
The different kinds of amines
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What are amines? The easiest way to think of amines is as near relatives of ammonia, NH 3 . In amines, the hydrogen ...
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