Question
Tungsten is used for the manufacture of the filament of
an electric bulb, because –Solution
Tungsten is used because it has the highest melting point of all the metallic elements. It melts at 3410 degrees Celsius. When current passes through the filament it heats it up. When the filament reaches a certain temperature it starts to give off light, that's how we get a light bulb. The first successful light bulb filaments were made of carbon (from carbonized paper or bamboo).
The fungi that degrades lignin as well as cellulose from agricultural waste
Father of green revolution in India
Which stages are the most sensitive to water deficit in groundnut?
e-National Agriculture Market (e-NAM) was launched in the year___
Recently, the Government of Uttarakhand has launched a scheme on skill development. One of the key features of the scheme is that youths interested in p...
Match List 1 with List II
Which of the following countries have the highest organic farmers in the world?
Deoxyribose sugar and bases in DNA are joined through
Which nematode behavior is characterized by a spiral shape in the habitus?
Deficiency of which vitamin is prominent in those persons who continuously eat ‘polished rice’?
Relevant for Exams:
