Absolute Mass and Charge of an Electron
Electron is a negatively charged particle with an absolute mass of -1.6×10-19 coulombs. This is taken as the unit of... View Article
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Advantages and Disadvantages of Friction
Friction is the resistance to motion of one object moving relative to another. There are several types of friction. Some advantages... View Article
Define Transparent,Translucent Medium with Examples.
Type of Medium Transparent Medium Translucent medium Opaque Medium Definition The property in which the light passes through a medium... View Article
State Law of Reciprocal Proportion With An Example
Law of Reciprocal Proportion Statement The law of reciprocal proportions states that If two different elements combine separately with a... View Article
Natural Indicators and Universal Indicators
Answer: Indicators are chemical compounds that tell us whether a substance is acidic or basic by changing its colour. When added... View Article
Difference Between Convergent and Divergent Evolution
Convergent Evolution Divergent Evolution When different species evolve similarities in their characteristics and functions due to the adaptation to a... View Article
Difference Between Simple Pendulum and Compound Pendulum
A pendulum consists of an object suspended along an axis so that it is able to move back and forth... View Article
What are Eddy Currents? Explain how they are produced and how they can be minimised. Give two uses of eddy current.
Answer: Eddy currents are currents that circulate in conductors like swirling eddies (a whirlpool) in a stream. They are induced... View Article
Give some examples of lipids
Lipids are made up of carbon, hydrogen, and oxygen atoms, connected in long branching chains. The most common examples of... View Article
What nucleic acids are in DNA?
The nucleic acids present in the nuclei of living cells are deoxyribonucleic acid (DNA) and ribonucleic acid (RNA). They are... View Article
What are the five main functions of proteins?
Protein is the only nutrient that can build, repair, and maintain body tissues. An adequate supply of proteins in the... View Article
What are the main functions of carbohydrates?
Carbohydrates are the body’s primary energy providers. The important functions of carbohydrates are listed below. They are also important in... View Article
What are the types of organic compounds?
Organic compounds are much more complex than inorganic compounds. Organic compounds make up the cells and other structures of organisms... View Article
List the disadvantages of thermal energy
Thermal generation refers to the heat energy generation cycle. There are four combustibles for thermal energy, oil, natural gas, wood,... View Article
How is thermal energy used today?
As energy flows from one system to another, a difference in temperature occurs, which is called thermal energy. Solar thermal... View Article
What is convection in thermal energy?
Convection Heat transfer is the process by which energy in one body is communicated to another body with which it... View Article
What are the three types of thermal energy?
Thermal energy is the heat that a body or system absorbs due to particle motion within the body or system.... View Article
What is the role of a buffer?
A buffer solution is defined as a solution that usually contains on the one hand either a weak acid (as... View Article
What makes a good buffer solution?
A good buffer generally contains relatively equal concentrations of a weak acid and its conjugate base. Many different factors must... View Article
What are some examples of a buffer?
In general, a buffer solution may be made from known quantities of a weak acid and a salt of the... View Article
