The first telescopes built in the early 1600s were very primitive inventions allowing the user to see around 3-times further than the naked eye. It was not too long, however, until Italian astronomer Galileo heard about the invention ‘that through use of correctly-positioned lenses, allowed people to see things a long way away. The tools used in the manufacturing of the first refracting telescope were all Galileo needed to know and within 24 hours he had developed a better one. In fact, the process of improvements Galileo made on Lippershey’s telescope was quite dramatic. Whereas the original version had a magnification of 3, the new telescope had a magnification of around 30. Galileo achieved these extraordinary results by figuring out the combination of the positions of the lenses and also by making his own lenses that were of better quality. Although he originally thought they were stars, the better quality lenses – and some scientific analysis – enabled him to eventually use his telescopes to see the moons of Jupiter. Galileo’s refracting telescopes – so-called due to the way they handled the light that passed through them – were the standard at that time.
Question (1)
Choose answers from letter A-D for questions 1-5.
When was the first primitive telescope invented?
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What did Galileo wanted to know?
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How many magnification lenses were used by Galileo in the manufacturing of telescopes?
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What enabled Galileo to see the moons of Jupiter through his telescope?
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How many hours did it take for Galileo to develop an improved telescope?
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Question (6)
Choose answers from letters A-D for these questions.
When was the Eiffel Tower built?
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Which was the most visited monument in Europe during late 1889?
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How often is the Eiffel Tower repainted?
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Why is the Eiffel Tower repainted?
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Which was considered to be the tallest structure in the world during the early 19th century?
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In which color is the bottom of the Eiffel Tower repainted?
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How far can the Eiffel Tower be seen?
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Question (13)
Choose answers from letters A-D for the following questions.
Why is managing hazards essential in industrial or manufacturing workplaces?
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According to the passage, how many stages should hazard management undergo?
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What is the first step of a hazard management plan?
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What are the risks involved in an industrial accident?
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According to the passage, on what basis has the government imposed strict regulations on the industries?
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