Answers

Answer of Quiz 2





1. The Roman poet Lucretius, in 56 B.C., published a poem in which he expounded the views of those Greek philosophers who believed the universe to be composed of what?
Correct Answer: atoms

2. All the works of the earlier atomists had vanished because their views were unpopular, and Lucretius' poem almost vanished, too?
Correct Answer: True

3. In what year, Albert Michelson, one of the 19th century's top physicists, commented "The more important fundamental laws and facts of physical science have all been discovered, and these are so firmly established that the possibility of their ever being supplemented in consequence of new discoveries is exceedingly remote"?
Correct Answer: 1903


4. Thales, the Greek philosopher, noticed that amber decorations on spinning wheels attracted threads, feathers, and light objects through what is known to be what?
Correct Answer: static electricity

5. The Greek word for amber is elektron, from which William what, physician to Queen Elizabeth I, coined the word "electricity"?
Correct Answer: Gilbert

6. In what year did Albert Einstein wrote his famous Special Theory of Relativity?
Correct Answer: 1905

7. The quark, a building block of the proton, got its name from James Joyce's Finnegan's Wake, from the line "Three quarks for Muster Mark! Sure he hasn't got much of a bark"?
Correct Answer: True

8. According to the laws of gravity, the moon technically does not orbit the Earth both orbit around their common centre of gravity, which is located how many miles beneath the surface of the Earth and is on a straight line between the centres of the Earth and moon?
Correct Answer: 1,000


9. A "light year" is the distance that light travels in a year and is equal to about 9.5 trillion kilometres, or about how many trillion miles?
Correct Answer: 6

10. An atomic clock kept at the National Bureau of Standards in Boulder, Colorado, U.S.A., 1650 metres above sea level, gains about five microseconds each year relative to an identical clock kept at the Royal Greenwich Observatory, how many metres above sea level?
Correct Answer: 25

11. If v-t graph is a straight line, what is true in the following
Correct Answer: average acceleration and constantaneous acceleration are equal

12. Which of the following shows the object is not accelerating
Correct Answer: speeding up

13. Which unit is used to measure current?
Correct Answer: ampere

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