Questions Related to history
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Dr.B.R. Ambedkar
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C.Rajagopalachari
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Dr. Rajendra Prasad
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Dr. S.Radhakrishnan-
B
Correct answer
Explanation
C. Rajagopalachari became the first Indian Governor-General of India in 1948 after Lord Mountbatten, and served until the post was abolished in 1950 with India becoming a republic. This makes him both the first and last Indian to hold this position. Dr. Rajendra Prasad became the first President of India instead.
A
Correct answer
Explanation
The first digital camera was invented in 1975 by Kodak engineer Steven Sasson. It weighed 8 pounds, recorded to a cassette tape, and captured 0.01 megapixel (10,000 pixel) black-and-white images requiring 23 seconds to record.
B
Correct answer
Explanation
The first motel was built in 1925 in San Luis Obispo, California by Arthur Heineman. He coined 'motel' from 'motor hotel' - designed for automobile travelers with parking outside rooms, unlike traditional hotels.
D
Correct answer
Explanation
The first dedicated album cover was designed in 1938 by Alex Steinweiss for Columbia Records. Before this, records were sold in plain brown wrappers. Steinweiss's original art for 'Smash Song Hits by Rodgers and Hart' revolutionized packaging.
C
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Explanation
The first web server (info.cern.ch) and website went live in 1990 at CERN, created by Tim Berners-Lee. The project aimed to facilitate information sharing among researchers. The browser WorldWideWeb was also developed in 1990.
B
Correct answer
Explanation
The first gasoline internal combustion motorcycle (the Daimler Reitwagen) was built in 1885 by Gottlieb Daimler and Wilhelm Maybach in Germany. Earlier steam-powered two-wheelers existed, but 1885 marks the first true motorcycle with a combustion engine.
B
Correct answer
Explanation
Wilhelm Röntgen discovered X-rays in 1895, earning him the first Nobel Prize in Physics. The other dates are incorrect.
C
Correct answer
Explanation
Douglas Engelbart invented the computer mouse in 1964 at Stanford Research Institute. The prototype was demonstrated publicly in 1968, but the invention date is 1964.
D
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Explanation
The Home Insurance Building in Chicago, completed in 1885, is widely recognized as the world's first skyscraper. It was the first building to use a steel skeleton for support, allowing for greater height than traditional masonry construction.
C
Correct answer
Explanation
The first commercially available MP3 player was the MPMan F10/F20, released in 1998 by SaeHan Information Systems in South Korea. It could store about 8-12 songs and predated the more famous iPod by several years.