This presentation required for people who interested to learn astronomy and prepare National Science Olympiad
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Coleccion
Maths Olypiad
VIQARUNNISA NOON SCHOOL ASTRONOMY OLYMPIAD
2014
MCQ 1. The biggest asteroid known is A) Vesta B) Icarus C) Ceres
D) Eros
2. One Jupiter day is equal to which of the following? A) 30 hrs 40 min B) 9 hrs 50 min C) 3 hrs 20 min
D) 52 hrs 10 min
3. Of the following four times, which one best represents the time it takes energy generated in the core of the sun to reach the surface of the sun and be radiated? A) Three minutes B) Thirty days C) One thousand years D) One million years 4. The sunspot cycle is: A) 3 years B) 11 years
C) 26 years
D) 49 years
5. The Andromeda Galaxy is which of the following types of galaxies? A) Elliptical B) Spiral C) Barred-spiral D) Irregular 6. Who was the first man to classify stars according to their brightness? A) Aristarchus B) Pythagorus C) Copernicus D) Hipparchus 7. The greatest distance of a planet from the sun is called what? A) Aphelion B) Perihelion C) Helix
D) Eccentricity
8. A typical galaxy, such as our Milky Way g alaxy, contains how many billion stars? A) 10 billion B) 40 billion C) 200 billion D) 800 billion 9. Refracting telescopes always contain which one of the following? A) Mirrors B) Lenses C) CCD 10. A comet's tail points in which w hich direction? A) Toward the sun B) Toward the earth sun
D) Film
C) Behind the comet in its orbit
D) Away from the
VIQARUNNISA NOON SCHOOL ASTRONOMY OLYMPIAD
2014
Short Questions
1. I am a type of star with a relatively low effective temperature (3,000 to 4,000 Kelvins), and have a large radius-about 100 times that of the Sun. What type of s tar am I? Answer: RED GIANT. GIANT. 2. What is formed when a massive star, after reaching supergiant status, explodes? Answer: A Answer: A SUPERNOVA / TYPE II SUPERNOVA SUPERNOVA / NEUTRON NEUTRON STAR / BLACK HOLE. HOLE. 3. Technically, the reflecting power of an object is defined as the ratio of the radiation reflected from an object to the total amount incident upon the object. What term is used in astronomy to indicate the reflecting power of an object? Answer: ALBEDO. Answer: ALBEDO. 4. Name the northern latitude constellation that is easily recognized by 5 bright stars forming an irregular "W", some observers seeing not only a W but also a chair. One of the brightest novae on record appeared in this constellation in 1572? Answer: CASSIOPEIA. 5. He completed his graduation from Cambridge University University and was a Professor of Chittagong University. Name of the famous Bangladeshi Cosmologi st who has written the book “An Introduction to Mathematical Cosmology “? Answer: PROFESSOR JAMAL NAZRUL ISLAM / J. N. ISLAM. Physics Questions 1. What is the gravitational force between you and a person sitting 1/3m away? Assume each of you has a mass of 65 kg. (For simplicity, assume all objects are spherical.) According to Newton’s Gravitational Gravitational Law, Law ,
2. An asteroid’s closest approach to the Sun (perihelion) is 2 AU, and farthest distance from the Sun (aphelion) is 4 AU. What is the semi-major axis of its orbit? What is the period of the asteroid? Major Axis of the Asteroid,
= = 3. A sound wave in water has a frequency of 256 Hz and a wavelength w avelength of 5.77 m. What is the speed of sound in water? , = . = − × . = . − (Answer) 4. What is the kinetic energy (KE) of a 1,000 kg rock traveling at 30 km/s? Convert the velocity from 30 km/s to 30,000 m/s.
