Distinguish between n-type and p-type semiconductors
Semiconductors are the materials which possess a conductivity between conductors (generally metals) and non-conductors or insulators (such ceramics). Semiconductors can... View Article
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Write any four characteristics of an ideal fuel
Any substance which upon combustion produces a usable amount of energy is known as fuel. For example, fossil fuels, biogas,... View Article
Name the mica producing areas of India
India is at the first place in mica production in the world. 70 to 80% mica of the world is... View Article
Tissue that transports food in plants ______.
Transportation is a vital process in all living organism and is involved in the movement of water, minerals and other... View Article
The animals which can live both in water as well as on land are called___________
The animals which can live both in water and on land are called Amphibians. Amphibians Listed below are the features... View Article
During exhalation the ribs move ________
Answer: During exhalation the ribs move downwards and inwards. What is exhalation? Exhalation is the act of exhaling air taken in... View Article
The ratio of hydrogen to oxygen in water is_____
Water molecules feature the combinations of hydrogen and oxygen atoms in a 2:1 ratio. Since they are present in a... View Article
What is the main objective of a field visit?
A field trip or field visit or training in the field is a campaign undertaken by a group of employees/... View Article
What is the depletion region in pn junction?
Depletion region is seen in pn junction of a diode. Definition The region of positive charge and negative charge on... View Article
The Mughal Emperor _______ granted the Diwani of Bengal, Bihar and Orissa to the East India Company in 1765.
The Mughal Emperor Shah Alam II granted the Diwani of Bengal, Bihar and Orissa to the East India Company in... View Article
What is the basicity of H3PO3?
To find the basicity of the given chemical compound first let us know what the term basicity means. Definition Basicity... View Article
What change in colour is observed when copper sulphate is heated? Is it chemical change or a physical one?
When Copper sulfate is heated strongly, it changes into white coloured anhydrous copper sulphate. Later, when water is added again... View Article
The crystals of ferrous sulphate on heating give ________
Ferrous sulphate crystals contain water of crystallisation (FeSO4.7H2O). On heating, ferrous sulphate crystals lose water. So their colour changes from... View Article
Who was the first President of “Indian National Congress”
The Indian National Congress (INC) party was established in 1885 and it grew to become one of the most important... View Article
Brass is a mixture of ______
Alloys are metal mixtures with other elements, the precise combination of which is governed by the properties required. What do... View Article
The angle of dip at the equator is____
Angle of dip is also recognised as the magnetic dip and is defined as the angle that is made by... View Article
What is the minimum age for election/appointment as member of the Rajya Sabha?
Parliament of India consists of President, Lok Sabha (Lower House) and Rajya Sabha (Upper House.) Lok Sabha is referred to... View Article
Which is the least conductor of heat?
Conduction is the method of transmission of energy from one particle of the medium to the other but here each... View Article
Which institution is known as ‘soft loan window’ of the World Bank?
The World Bank Group is an international partnership comprising 189 countries and five constituent institutions that works towards eradicating poverty... View Article
The most abundant noble gas in atmosphere is ____
The most abundant noble gas in atmosphere is Argon. Discovery of Argon Argon is the first noble gas to be... View Article
