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Galileo Galilei - Transistors
Elisha Thomson - Windmill
JL Baird - Television
Sir Frank Whittle - Laser
Which of the following is the fundamental quantity ?
Which of the following is the largest flower in the world?
Which of the following is the lightest metal?
Which of the following is the purest commercial form of iron -
Which of the following is the smallest unit of length?
Which of the following is true of a scientific theory?
Which of the following is used as a coolant in nuclear reactors?
Which of the following is used as a lubricant?
Which of the following is used as a moderator in nuclear reactor?
Which of the following is used as a preservative to protect processed food?