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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).
Which of the following Scientist discovered the element Potassium?
Mallika is the cross between
The agency which recommends the minimum support/procurement price for agriculture commodities to the government is
Eye drops are example of
“Golden treasure” of Assam is known to which silk
The medicinal plant known as “second shilajeet” is:
Which of the following statement is incorrect?
The common syndrome or Managoliam idiocy is also known as:
In which variety of cauliflower seed production is not possible in north-Indian plains?
A small structure in mammary glands in which milk is manufactured by female animals is
