He was an Italian scientist who discovered the principle of the pendulum. He observed the movement of the lamp hanging from the ceiling and noticed that its oscillatory movement was constant. Who was he?
A
Isaac Newton
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B
Galileo Galilei
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C
Albert Einstein
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D
Max Planck
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Solution
The correct option is C Galileo Galilei
Widely regarded as one of the greatest scientists, Galileo Galilei was an Italian astronomer, physicist, engineer and mathematician, who helped shape the scientific revolution during the Renaissance.
Because of his mathematical approach to motion, Galileo was intrigued by the back and forth motion of a suspended weight.
Galileo discovered the "isochronism of the pendulum" aka the "law of the pendulum". Galileo demonstrated at the Tower of Pisa that falling bodies of different weights descend at the same rate.