GK
INVENTIONS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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12th century
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13th century
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14th century
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15th century
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Detailed explanation-1: -The date reporting the first use of true rockets was in 1232. At this time, the Chinese and the Mongols were at war with each other. During the battle of Kai-Keng, the Chinese repelled the Mongol invaders by a barrage of “arrows of flying fire.” These fire-arrows were a simple form of a solid-propellant rocket.
Detailed explanation-2: -1232 – Chinese fire arrows The first true rocket is invented by the Chinese. Fire arrows are used against the Mongol invaders.
Detailed explanation-3: -This passion for flying, aroused by the beautiful birds, later inspired Abdul Kalam to design India’s first rocket which successfully sent a satellite Rohini, into orbit on 18th July 1980. It was called the SLV-3 (Satellite Launch Vehicle).