Loyola College Astronomy Question Papers

Loyola College B.Sc. Mathematics April 2007 Astronomy Question Paper PDF Download

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LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

B.Sc.

CV 15

DEGREE EXAMINATION –MATHEMATICS

FIFTH SEMESTER – APRIL 2007

MT 5503 – ASTRONOMY

 

 

Date & Time: 02/05/2007 / 1:00 – 4:00          Dept. No.                                                     Max. : 100 Marks

 

 

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Loyola College B.Sc. Mathematics Nov 2008 Astronomy Question Paper PDF Download

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LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

   B.Sc. DEGREE EXAMINATION – MATHEMATICS

AB 09

 

THIRD SEMESTER – November 2008

MT 3502 / MT 5503 – ASTRONOMY

 

 

 

Date : 08-11-08                     Dept. No.                                        Max. : 100 Marks

Time : 9:00 – 12:00

SECTION – A

 

Answer all questions:                                                            (10 x 2 = 20 marks)

 

  1. Define: diurnal motion.
  2. What is meant by a circumpolar star?
  3. Define Astronomical refraction.
  4. Write any two uses of the Equatorial.
  5. State any one Kepler’s law.
  6. Define Equation of time.
  7. Define: ‘Synodic month’.
  8. What is meant by ‘phase of moon’?
  9. What are inner planets?
  10. Define the term ‘opposition’ as applied to a planet.

 

SECTION – B

Answer any FIVE questions:                                                           (8 x 5 = 40 marks)

 

  1. Describe the Equatorial coordinate system to fix the position of body in the celestial sphere.
  2. Find the condition that twilight may last through out night.
  3. Derive cassini’s formula for refraction, indicating the assumptions made.
  4. If the moon’s horizontal parallax is 57’ and her angular diameter is 32’, find her radius and her distance from the earth. (earth’s radius = 4000 miles).
  5. Derive Newton’s deductions from Kepler’s laws.
  6. Describe briefly the surface structure of the moon.
  7. Enumerate the chief points of difference between the lunar and solar eclipses.
  8. Define ‘stationary points’. Find the angle subtended at the sun by two planets when they are stationary as seen from each other.

 

SECTION – C

Answer any TWO questions:                                                           (2 x 20 = 40 marks)

 

  1. a) Write notes on Horizontal coordinate system to find the position of any body in the celestial sphere.
  1. b) Trace the variations in the duration of day and night during the year at a place in the north torrid zone.
  1. (a) Find the effect of parallax on the longitude and latitude of a star.

(b) Describe the sextant.

  1. (a) Discuss the different phases of moon during a lunation.

(b) Prove that the Equation of time vanishes four times a year.

  1. (a) Find the maximum number of eclipses in a year.

(b) Write a short note on ‘Comets’.

 

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Loyola College B.Sc. Mathematics April 2009 Astronomy Question Paper PDF Download

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LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

   B.Sc. DEGREE EXAMINATION – MATHEMATICS

THIRD SEMESTER – NOVEMBER 2010

MT 3502/MT 5503 – ASTRONOMY

 

 

 

Date : 02-11-10                     Dept. No.                                        Max. : 100 Marks

Time : 9:00 – 12:00

PART – A

 

Answer ALL Questions                                                                                          (10 x 2 = 20 marks)

 

 

  1. Define diurnal motion of a star.
  2. Define ecliptic.
  3. Define Equinoxial points.
  4. What is the effect of refraction on the position of a celestial body?
  5. Define geocentric parallax.
  6. State Kepler’s laws of planetary motion.
  7. Define age of the moon.
  8. Define annular eclipse.
  9. What are inner planners?
  10. Write a note on Asteroids.

PART – B

Answer any FIVE Questions                                                                                       (5 x 8 = 40 marks)

 

 

  1. Define sidereal time and prove that its is equal to R.A ± hour angle of a star.
  2. Define circumpolar star and find the condition for any star to be circumpolar.
  3. Trace the changes in the length of the day for a place on earth’s equator.
  4. Compare refraction and geocentric parallax.
  5. Find the effect of refraction on R.A and declination of a star.
  6. Define sidereal month and synodic month for the moon and find the relation between them.
  7. Compare solar and lunar eclipses.
  8. Write a note on comets.

PART – C

Answer any TWO Questions                                                                                        (2 x 20 = 40 marks)

 

 

  1. a) Explain the equatorial system to fix a celestial body. Bring out the merits and demerits.           (10)

 

 

  1. b) Define twilight and find the condition for twilight to last the whole night. (10)

 

  1. a) Derive Newton’s deductions from kepler’s laws.                                                                (12)
  2. b) Define equation of time and prove that it vanishes four times a year. (8)
  3. a) Derive tangent formula for refraction.
  4. b) Explain different calendars.
  5. a) Trace the changes in the elongation and phases of the moon in one lunation.
  6. b) Find the maximum number of eclipses in a year.

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Loyola College B.Sc. Mathematics April 2011 Astronomy Question Paper PDF Download

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LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

B.Sc. DEGREE EXAMINATION – MATHEMATICS

THIRD SEMESTER – APRIL 2011

MT 3502/MT 5503 – ASTRONOMY

 

 

 

Date : 25-04-2011              Dept. No.                                                  Max. : 100 Marks

Time : 1:00 – 4:00

 

PART – A

 

Answer ALL questions.                                                                                                   (10 x 2 = 20)

 

  1. State cosine formula.
  2. Define twilight.
  3. Define refraction.
  4. What is aberration of light?
  5. State Kepler’s third law.
  6. What is equation of time?
  7. Define synodic period of moon?
  8. Explain annular eclipse.
  9. Name the different celestial objects in the solar system.
  10. What is a constellation? Name any two constellations.

 

PART – B

 

Answer any FIVE questions. Each question carries eight marks.                           (5 x 8 = 40)

 

  1. Describe the equatorial system of coordinates with a neat diagram. Give the advantages and disadvantages of this system.
  2. Trace the variations in the duration of day and night during a year for a place on the equator.
  3. Explain Gnomon with a neat diagram.
  4. Write a note on calendars.
  5. Derive Newton’s deductions from Kepler’s laws.
  6. Write a note on surface structure of moon.
  7. Find the maximum and minimum number of eclipses possible near a node.
  8. Write a note on comets.

 

 

 

 

 

PART C

 

Answer any TWO questions.                                                                                          (2 x 20 = 40)

 

  1. a) Derive an expression for hour angle and azimuth of a celestial body at rising and setting.

 

  1. b) Explain the different zones of earth with a neat diagram.

 

  1. a) Derive a tangent formula for refraction. How do you find the value of coefficient of

refraction?

 

  1. b) Derive Cassini’s formula.

 

 

  1. a) Derive the condition for occurrence of a total solar eclipse.

 

  1. b) Derive an expression for equation of time. Prove that it vanishes four times in a year.

 

  1. a) Derive an expression for different phases of moon.

 

  1. b) Write a note on planets.

 

 

 

 

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Loyola College B.Sc. Mathematics April 2012 Astronomy Question Paper PDF Download

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LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034B.Sc. DEGREE EXAMINATION – MATHEMATICSTHIRD SEMESTER – APRIL 2012MT 3502/MT 5503 – ASTRONOMY
Date : 26-04-2012 Dept. No.         Max. : 100 Marks                 Time : 9:00 – 12:00
PART – AAnswer ALL questions: (10×2=20)1. Define first point of Aries and first point of Libra.2. Write a short note on twilight.3. State the laws of refraction.4. What is a sidereal clock?5. State Kepler’s laws of planetary motion.6. The Nautical Almanac gives the Julian date of Jan.1. 1940 as 2429630.               Find the J.D of Jan 26, 1965 and the day of the week.7. Define the terms ‘Umbra’ and ‘Penumbra’.8. Prove that one eclipse must occur near a node.9. State Stefan’s and Wien’s laws of radiation.10. Define the term ‘comets’.PART – BAnswer any FIVE questions:         (5 x 8 = 40)
11. Define ‘Dip of Horizon’ and derive an expression for the same. List down the effects of dip.12. i) What are the variations in the durations of day and night during the year for a      place on the Tropic of Cancer?      (4 marks)ii) Find the condition that twilight may last throughout night.                (4 marks)13. Derive Cassini’s formula for refraction.14. Define geocentric parallax of a body and derive an expression for it.15. Explain the method of verifying the second law of Kepler in the case of the earth.16. Derive an analytic expression for the equation of time.17. Define sidereal and synodic months and find the relation between them.18. Write a brief note on ‘Neptune’.PART –CAnswer any TWO questions: (2×20=40)19. a) Explain the Horizontal system of celestial co – ordinates to fix the position of      a body in the celestial sphere.    (10 marks)    b) i) Prove that the latitude of a place is equal to the altitude of the celestial pole.      (5 marks)    ii) Find the condition that a star is circumpolar.                 (5 marks)
20. a) Derive an expression to find the effect of parallax on the longitude and latitude      of a star.    (12 marks) b) Define Aberration and prove that it varies as the sine of the Earth’s way. (8 marks)21. a) Derive Newton’s deductions from Kepler’s laws.    (12 marks) b) Write a short note on Asteroids.      (8 marks)22. a) Define phase of moon and prove that it is equal to  , where  is the     elongation of moon.    (10 marks)      b) Find the condition for the occurrence of a Lunar eclipse.                    (10 marks)

 

 

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Loyola College B.Sc. Mathematics Nov 2012 Astronomy Question Paper PDF Download

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LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

B.Sc. DEGREE EXAMINATION – MATHEMATICS

THIRD SEMESTER – NOVEMBER 2012

MT 3502/5503 – ASTRONOMY

 

 

 

Date : 05/11/2012             Dept. No.                                        Max. : 100 Marks

Time : 9:00 – 12:00

 

PART – A

Answer all questions:                                                                                           (10 x 2 = 20)

  1. What are cardinal points?
  2. Define Zenith and Nadir.
  3. Define Aberration of a celestial body.
  4. What is the use of a Gnomon?
  5. Define sidereal year.
  6. Define dynamical mean sun.
  7. Define an umbra.
  8. What is Harvest Moon?
  9. What are the chief elements present in sun?
  10. Define chromosphere.

PART – B

 

Answer any five questions:                                                                                 (5 X 8 = 40)

 

  1. Write a note on the equatorial system of coordinates.
  2. Trace the variations in the duration of day and night in a place of latitude 5N.
  3. Derive the tangent formula for refraction.
  4. Find an analytical expression for the equation of time.
  5. What are Astronomical seasons? Find their duration.
  6. Give a brief description of the surface structure of moon.
  7. Explain how solar and lunar eclipses are caused?
  8. Write a note on comets.

PART – C

Answer any two questions:                                                                                (2 X 20 = 40)

  1. (i) What is Twilight? Find the number of days that twilight may last throughout night

in a given place.

(ii) Write a note on Morning stars, Evening stars and Circumpolar stars.

  1. (i) Explain any one astronomical instrument with a neat diagram.

(ii) Write a note on the different types of Calendar.

  1. (i) Describe the successive phases of moon with a neat diagram.

(ii) Find the maximum number of eclipses possible in a year.

  1. (i) Describe any two planets of the solar system.

(ii) Write a note on any four constellations visible over Chennai.

 

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