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2) In 1729 AD, Pieter Van Musschenbroek used the term ‘PHYSICS’ for the first time. What was the subject called so far?
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3) Which Greek philosopher suggested that the material world was composed of four basic elements – air, water, fire and earth?
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4) Who in 1231 was the first to describe the science of optics?
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5) Who was burnt to
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