Question : Who invented the electric bulb?
Option 1: Thomas More
Option 2: Thomas Alva Edison
Option 3: James Watt
Option 4: None of these
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Correct Answer: Thomas Alva Edison
Solution : The correct answer is Thomas Alva Edison.
An electric light, lamp, or light bulb is an electrical component that produces light. It is the most common form of artificial lighting. Thomas Alva Edison created the first electric light bulb for commercial use. A thin platinum filament inside a glass vacuum bulb was powered by electricity, which prevented the filament from melting.
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Question : Who invented email?
Option 1: Tim Berners-Lee
Option 2: James Gosling
Option 3: Vinton Cerf
Option 4: V. A. Shiva Ayyadurai
Question : Who invented the battery?
Option 1: Roentgen
Option 2: Volta
Option 3: Faraday
Option 4: Maxwell
Question : The Telephone was invented by :
Option 1: Guglielmo Giovanni Maria Marconi
Option 2: Alexander Graham Bell
Option 3: John Logie Baird
Option 4: Thomas Barrow
Question : In a filament-type light bulb, most of the electric power consumed appears as
Option 1: visible light
Option 2: infrared rays
Option 3: ultraviolet rays
Option 4: fluorescent light
Question : Who is the author of 'A Suitable Boy'?
Option 1: Vikram Seth
Option 2: Arundhati Roy
Option 3: Khushwant Singh
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