Download Kepler Third Law - Physics - Past Exam and more Exams Physics in PDF only on Docsity!
UNIVERSE AS AN ART
Paper PH1.F ( 3 hours )
Section A - Candidates should answer all multiple choice questions on the special answer sheet provided. Total 30 marks. Suggested time: 45 minutes.
Section B - Candidates should write 3 essays from the list of titles given in Section B. You must not choose more than one from each module subsection. Use a separate answer book for each essay. Total 30 marks per essay. Suggested time: 45 minutes per essay.
SECTION A
(Only one of the options is correct)
(PHYS121)
1 The ecliptic is a) the line of the Milky Way, b) the path of the Sun across the sky, c) the orbit of the Moon.
2 Kepler’s Third law states a) that planetary orbits are ellipses, b) that force and acceleration are related, c) that the period of an orbiting body is related to its distance from the central body.
3 Total lunar eclipses can occur at a) any phase of the Moon, b) new Moon, c) full Moon.
4 Which of the following types of electromagnetic radiation has the highest frequency? a) Microwaves. b) Ultra-violet. c) Visible.
5 Astronomical telescopes are designed primarily to a) collect as much light as possible, b) look into the future, c) reduce the effect of the Earth’s atmosphere. Please turn over
L A N C A S T E R U N I V E R S I T Y
2008 EXAMINATIONS
6 The constellations of the Zodiac are a) the groups of stars along the Milky Way, b) the brightest stars in the sky, c) the groups of stars along the path of the Sun in the sky.
(PHYS122)
7 I observe a spaceship passing me. Do I see its clock to be running a) at the same speed as mine, b) faster, c) slower?
8 When a light beam passes a massive star, is it a) deflected away from the mass, b) deflected towards the mass, c) unaffected?
9 Near a massive object, is there a) more spacetime, b) less spacetime, c) no change?
10 In the twin paradox, does the travelling twin return a) older than, b) the same age as, c) younger than, the stay-at-home twin?
11 Do the tidal forces as you approach a Black Hole a) stretch you, b) compress you, c) leave you unchanged?
12 If you travel at relativistic velocity through a city do the buildings appear to a) lean towards you, b) remain vertical, c) lean away from you?
(PHYS123)
13 Which is the weakest of the four fundamental forces? a) The gravitational force. b) The weak nuclear force. c) The electromagnetic force.
14 The approximate ratio of the size of the atomic nucleus to the size of the atom is a) 1 : 3, b) 1 : 500, c) 1 : 10000.
24 Individual biological cells are always small because a) large cells are preferentially eaten by predators, b) metabolism in bigger cells becomes far too slow, c) smaller cells can move faster and hide more easily.
(PHYS125)
25 Global climate change in the 21
st century a) may involve large changes to Britain’s climate if the Gulf Stream stops, b) is likely to lead to most birds losing their way during migrations, c) is expected to cause sea levels to fall by several metres.
26 The genetic modification of organisms is a) something that has happened since life began, b) an activity begun by scientists in the early 21st century, c) a practice started by farmers in the early days of the USA.
27 The first television programme was broadcast in the 1930s. Will these pictures a) still be travelling through the solar system, b) have already passed our nearest star, Proxima Centauri, c) not have propagated through space?
28 Which one of the following is FALSE? a) Generating all our electricity by wind power is practical. b) Nuclear-fusion devices so far use more energy than they produce. c) Wood-burning stoves do not add greenhouse gases to the atmosphere.
29 Which one of the following is TRUE? a) J. Robert Oppenheimer led the first GM crop development project. b) Albert Einstein led the first atomic bomb project. c) Isaac Newton was Master of the Royal Mint.
30 Nuclear fission power stations a) produce proteins which are a component of amino acids, b) produce neutrons which split uranium nuclei, c) produce neutrinos which nourish plants.
SECTION B
Write 3 essays from the list of titles below. You must not choose more than one from each module subsection. Begin each essay in a new answer book.
Marks will be awarded for structure, appropriate content, understanding and style. Where relevant, you may choose to discuss the issues or put forward your own opinion. You can include diagrams. Suggested time: 45 minutes per essay.
B1. Subsection PHYS121 - Planets, Stars and Galaxies (a) The Colours of Stars and Nebulae. OR (b) The formation of the Solar System.
B2. Subsection PHYS122 - Space, Time and Gravity (a) Describe what you might see when travelling near light velocity. OR (b) How do things change near massive bodies?
B3. Subsection PHYS123 - The Microscopic World (a) Models of the atom from the discovery of the electron till today. OR (b) Quantization of energy.
B4. Subsection PHYS124 - Origins and Evolution (a) “Time and Tide Waits For No Man” – unless he falls into a Black Hole! OR (b) The emergence of life on Earth - Was it inevitable?
B5. Subsection PHYS125 - The Big Issues (a) Is Science culture? OR (b) The Drake Equation, Fermi’s Paradox, Flying Saucers: is anybody out there?
End of Paper
