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 currentpassesthroughthefilamentitheatsitup. Whenthefilamentreachesacertaintemperature itstartstogiveofflight,that'showwegetalight bulb. The first successful light bulb filaments were made of carbon(fromcarbonizedpaper or bamboo).
What is the SI unit of weight?
Which substance is used to enhance x-ray and CT images?
What is the nature of the image formed on the retina of the human eye?
Who is often referred to as the 'Father of the Periodic Table'?
What is the chemical symbol for Gold?
What element is primarily used in a Proton Fusion Engine?
Rifting typically occurs at which type of tectonic boundary?
What is the role of Ultraviolet Radiation (UV) in the water purification systems?
1. It inactivates/kills the harmful microor...
In the context of air pollution measurements, what does "PM2.5" refer to?
Which set only includes biodegradable items?
