Q. Suppose if we measure the time lapse between the two Sunsets by sitting in the beach, from this we can estimate

Correct Answer

The radius of the Earth

More Questions on Earth

  • Q. It is six months long day in the northern polar region and six months long night in the southern polar region because ________
    A)Earth is rotating
    B)Earth is revolving around the sun
    C)Earth is inclined towards its orbital plane
    D)None of these
    Answer: Earth is inclined towards its orbital plane
  • Q. The Earth turns through 360° in 24 hours. Each 15° longitude represents ________
    A)One hour
    B)Half an hour
    C)Forty five minutes
    D)One hour fifteen minutes
    Answer: One hour
  • Q. The Solar eclipse achieves totality only in limited geographical regions because ________
    A)Sun rays can reach most of the peripheral regions of the shadow of the moon due to atmospheric refraction
    B)The trajectories of the Earth around the Sun and the Moon around the Earth are not perfect circles
    C)The size of the shadow of the Moon on the Earth is small compared to the cross-section of the Earth
    D)The Earth is not a smooth flat surface, but has elevations and depressions
    Answer: The size of the shadow of the Moon on the Earth is small compared to the cross-section of the Earth
  • Q. What is ‘Sidereal Day’?
    A)The time during which the earth makes a complete rotation on its axis in respect of the fixed stars
    B)The day on which the duration of sunshine is the maximum
    C)The day on which the duration of sunshine and darkness are equal
    D)The day on which the sun reaches its maximum distance from the equator
    Answer: The time during which the earth makes a complete rotation on its axis in respect of the fixed stars
  • Q. 1° of latitude is equal to
    A)111 Km
    B)11 Km
    C)211 Km
    D)311 Km
    Answer: 111 Km
  • Q. The shortest day in Australia will be on ________
    A)01-09-2023
    B)21-06-2021
    C)01-12-2022
    D)01-03-2021
    Answer: 21-06-2021
  • Q. The South Pole experiences continuous light at ________
    A)Vernal equinox
    B)Summer solstice
    C)Winter solstice
    D)No time
    Answer: Winter solstice
  • Q. Which of the following pair is CORRECT? I. Prime Meridian – Longitude, II. Tropic of Cancer – Latitude, III. Equator – Latitude
    A)2 and 3
    B)1 and 2
    C)1 and 3
    D)All options are correct
    Answer: All options are correct
  • Q. Which of the following layers of the earth is believed to have the heaviest mineral materials of highest density ?
    A)Mantle
    B)Central core
    C)Crust
    D)Both B and C
    Answer: Central core
  • Q. The Earth is tilted on its axis
    A)21. 5°
    B)23.5°
    C)22.5°
    D)20°
    Answer: 23.5°
  • Q. The place which has the longest day and the shortest night on 22nd December, is ________
    A)Melbourne
    B)Chennai
    C)Madrid
    D)Moscow
    Answer: Melbourne
  • Q. The earth is at the least distance from the sun (Perihelion) on ________
    A)July 4th
    B)December 22nd
    C)January 3rd
    D)June 21st
    Answer: January 3rd
  • Q. Which of the following is caused by the combine deffects of the gravitational forces exerted by the Moon and the Sun on sea levels?
    A)Tides
    B)Currents
    C)Runoff
    D)Waves
    Answer: Tides
  • Q. The distance of the equator from either of the poles is ________
    A)10,002 km
    B)500 km
    C)5001 km
    D)36,005 km
    Answer: 10,002 km
  • Q. When rain falls through a cold layer of air near the Earth’s surface, raindrops get frozen into ice. This type of precipitation is called
    A)Snowstorm
    B)Hail
    C)Snowfall
    D)Sleet
    Answer: Sleet
  • Q. The tide at its maximum height is known as ________
    A)Spring tide
    B)Equinox
    C)Neap tide
    D)Tsunami
    Answer: Spring tide
  • Q. Assume that the moon takes exactly 30 days to complete the cycle and also assume that it rises in the east exactly at 6.48 p.m., on the first day. On the fourth day, at what time will it rise?
    A)10.00 p.m
    B)8.24 p.m
    C)9. 12 p.m
    D)11.48 p.m
    Answer: 10.00 p.m
  • Q. World’s longest land border is between which two contries?
    A)Switzerland and Italy
    B)Australia and New Zealand
    C)India and China
    D)Canada and USA
    Answer: Canada and USA
  • Q. Heat received by earth from the Sun is known as ________
    A)Solar radiation
    B)Insolation
    C)Solar heat
    D)Thermal radiation
    Answer: Solar radiation
  • Q. Latitude of a point on the earth is measured by the distance in ________
    A)Angles from the poles
    B)Kilometers from the poles
    C)Kilometers from the equator
    D)Angles from the equator
    Answer: Angles from the equator

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