40. Compared to the size of its nucleus, the size of an atom is about A) the sam

Question

40. Compared to the size of its nucleus, the size of an atom is about A) the same. B) ten times greater. C) a hundred times greater. D) a thousand times greater. E) one hundred thousand times greater 41. Everything looks red through a red filter because A) the filter emits red light and absorbs other colors. B) the filter absorbs red light and emits other colors. C) the filter transmits red light and absorbs other colors. D) the filter reflects red light and transmits other colors. 42. Which of the following statements about X-rays and radio waves is not true? A) Neither X-rays nor radio waves can penetrate Earth's atmosphere. B) X-rays have shorter wavelengths than radio waves. C) X-rays and radio waves are both forms of light, or electromagnetic radiation. D) X-rays have higher frequency than radio waves. E) x-rays have higher energy than radio waves 43. We can see each other in the classroom right now because we A) emit thermal radiation. B) emit visible light. C) emit infrared light D) reflect visible light. E) reflect infrared light. 44. Which is hotter? A) a blue star B) an orange star C) a yellow star D) a green star E) a red star 45. If Jupiter were scaled to the size of a basketball, Earth would be the closest to the size of A) a pinhead. B) a marble. C) a baseball. D) a grapefruit. E) a basketball. 46 Approximately how many times greater is the atmospheric pressure in Jupiter's core than on Earth's surface? A) 10 thousand B) 100 thousand C) 1 million D) 10 million E) 100 million 47. What is the most likely method in which Jupiter generates its internal heat? A) radioactive decay B) internal friction due to its high rotation rate C) chemical processes D) nuclear fusion in the core E) by contracting, changing gravitational potential energy into thermal energy

Explanation / Answer

Solution-The atomic nucleus is the region located in the centre of an Atom consists of protons and neutrons ( nucleons). The size of the nucleus (10^-15 m) is about 100,000 times smaller than that of the atom (10^-10 m) and focused almost all of its mass.

So  the size of an atom is one hundred thousand times greater.

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