Q. How many Geo-synchronous satellites are required for uninterrupted world broadcasting?

Correct Answer

3

More Questions on Earth

  • Q. Consider the following statements: 1. The tropical year is shorter than the sidereal year. 2. The solar day is longer than the sidereal day. Which of the statements given above is/are correct?
    A)Both 1 and 2
    B)1 only
    C)2 only
    D)Neither 1 nor 2
    Answer: Both 1 and 2
  • Q. The Gutenberg discontinuity is between ________
    A)The outer core and the lower mantle
    B)The crust and the mantle
    C)The upper and lower mantles
    D)The inner and outer cores
    Answer: The outer core and the lower mantle
  • Q. The earth revolves round the sun in its orbit by approximately ________
    A)3° per day
    B)1° per day
    C)2° per day
    D)5° per day
    Answer: 1° per day
  • Q. The speed of rotation of the earth is ________
    A)39.5 km/sec.
    B)25 km/sec.
    C)31 km/sec.
    D)29.72 km/sec.
    Answer: 29.72 km/sec.
  • Q. The sunlight is available 24 hours on the longest day at which of the following latitudes of the Earth?
    A)63°
    B)49°
    C)66.5°
    D)69.51°
    Answer: 66.5°
  • Q. Maximum difference in the spacing of longitudes is ________
    A)At tropics
    B)At poles
    C)At equator
    D)At arctic circle
    Answer: At equator
  • Q. Lunar eclipse does not occur every month because ________
    A)The moon's orbit is not all the time in the same plane as the earth
    B)The sun's orbit is not always in the same plane as the moon
    C)The moon revolves at a slower speed than the earth
    D)None of these
    Answer: The moon's orbit is not all the time in the same plane as the earth
  • Q. Owing to the equatorial bulge and the polar flattening, the polar radius of the earth falls short of the equatorial radius by about ________
    A)41 km
    B)22 km
    C)36 km
    D)53 km
    Answer: 22 km
  • Q. Japan is called ‘land of the rising sun’ because ________
    A)Japan being the Eastern most country in the World, it has the earliest sunrise
    B)Sun rises there as soon as it sets
    C)Sun always remains in the eastern part of the sky throughout the day in Japan
    D)The rays of the sun get reflected from the waters of the sea and make the sunrise beautiful in Japan
    Answer: Japan being the Eastern most country in the World, it has the earliest sunrise
  • Q. What are the imaginary lines encircling the Earth horizontally called?
    A)Isobars
    B)Latitudes
    C)Longitudes
    D)Isotherms
    Answer: Latitudes
  • Q. The mapping of which of the following is most difficult ?
    A)Interior of the Earth
    B)Mountains
    C)Plateaus and Plains
    D)Oceans and their depth
    Answer: Interior of the Earth
  • Q. The seasonal contrasts are maximum in ________
    A)Sub tropics
    B)Low latitudes
    C)Mid-latitudes
    D)High latitudes
    Answer: Mid-latitudes
  • Q. Masses of stars and galaxies are usually expressed in ________.
    A)Lunar mass
    B)Earth's mass
    C)Solar mass
    D)Neutron mass
    Answer: Solar mass
  • Q. On which day, Earth is closest to the Sun?
    A)04-07-2019
    B)23-09-2019
    C)03-01-2019
    D)21-03-2019
    Answer: 03-01-2019
  • Q. What is the circumference of the Earth?
    A)25,000 km
    B)13,000 km
    C)20,000 km
    D)40,000 km
    Answer: 40,000 km
  • Q. The sun is never overhead at any time in : I. North Temperate Zone II. South Temperate Zone III. North Frigid Zone IV. Torrid Zone
    A)II and III
    B)III only
    C)I, II and III
    D)I, II, III and IV
    Answer: I, II and III
  • Q. The earth is at the largest distance from the sun (Apehelion) on ________
    A)July 4th
    B)June 21st
    C)January 3rd
    D)September 23rd
    Answer: July 4th
  • Q. Solar eclipse occurs when ________
    A)Moon comes between sun and earth
    B)Earth comes between sun and moon
    C)Moon is at right angle to the earth
    D)Sun comes between moon and earth
    Answer: Moon comes between sun and earth
  • 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. Light from the Sun reaches us in nearly
    A)6 min.
    B)8 min.
    C)2 min.
    D)4 min.
    Answer: 8 min.

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