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

Correct Answer

3

More Questions on Earth

  • Q. The deflection of the winds to the right in the northern hemisphere is caused by
    A)Uneven heating of the Earth
    B)Revolution of the Earth
    C)Rotation of the Earth
    D)All the above
    Answer: Rotation of the Earth
  • Q. Study the following diagram and say which of the given statements is not correct regarding it ________
    A)There is continuous day north of the Arctic Circle
    B)It shows the earth's orbital position on 21st June
    C)All parallels in the northern hemisphere have days equal to nights
    D)South of the equator the length of the day decreases with increasing latitude
    Answer: All parallels in the northern hemisphere have days equal to nights
  • Q. A one-day Cricket match between India and England starts at 10.00 A.M. in London. The direct telecast of the match will begin in India at ________
    A)3.30 P.M.
    B)3.30 A.M.
    C)8.30 A.M.
    D)8.30 P.M.
    Answer: 3.30 P.M.
  • Q. When it is noon along 82° 30′ longitude, along what degree of longitude it will be 6.30 a.m.?
    A)0° E or W
    B)Along 165° E
    C)Along 67° 30' W
    D)Along 82° 31' W
    Answer: 0° E or W
  • Q. The antipodal position of a place located at 35° south and 80° west is
    A)100°north and 80° East
    B)55° north and 80° East
    C)35° north and 100° East
    D)55° south and 10° East
    Answer: 35° north and 100° East
  • Q. The upper part of the mantle upon which the crust of the Earth floats is called ________
    A)Mohorovic discontinuity
    B)Barysphere
    C)Mesophere
    D)Asthenosphere
    Answer: Asthenosphere
  • 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. Which of these is the longest?
    A)90° E
    B)0° Meridian
    C)180° E-W
    D)All are equal
    Answer: All are equal
  • Q. The area of the Earth’s total surface is of the order of ________.
    A)400 million square kilometres
    B)510 million square kilometres
    C)450 million square kilometres
    D)350 million square kilometres
    Answer: 510 million square kilometres
  • Q. In the earliest days when life originated on earth, the atmosphere contained ________
    A)Oxygen in fixed form
    B)Free oxygen
    C)No oxygen
    D)Oxygen bound to carbon
    Answer: Oxygen bound to carbon
  • Q. Which one of the following cities does not have the same clock time as that of the other three cities at any given instant?
    A)Accra (Ghana)
    B)London (UK)
    C)Lisbon (Portugal)
    D)Addis Ababa (Ethiopia)
    Answer: Addis Ababa (Ethiopia)
  • Q. The imaginary lines which connects the places of same temperature are called
    A)Isohaline
    B)Isobar
    C)Isohyet
    D)Isotherm
    Answer: Isotherm
  • Q. The Earth rotates-around an axis pointing towards ________
    A)The sun
    B)The moon
    C)The pole star
    D)Venus
    Answer: The pole star
  • Q. The planet which has the highest surface temperature is
    A)Pluto
    B)Jupiter
    C)Earth
    D)Venus
    Answer: Venus
  • Q. Due to gravity, acceleration at the Equator is
    A)Equal to acceleration on poles
    B)Less than acceleration on poles
    C)More than acceleration on poles
    D)Not dependant on the centrifugal acceleration of Earth
    Answer: Less than acceleration on poles
  • 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. Tides in the sea have stored in them ________
    A)Gravitational potential energy
    B)Hydraulic energy
    C)Kinetic energy
    D)A combination of all the above three forms of energy
    Answer: A combination of all the above three forms of energy
  • Q. The network of the series of vertical and horizontal lines is known as
    A)Longitude
    B)Latitude
    C)Geid System
    D)Geographical Coordinates System
    Answer: Geographical Coordinates System
  • Q. Albedo is defined as ________
    A)Celestial bodies in earth's atmosphere which add to the greenhouse effect
    B)UV radiations sent out by the SUN
    C)A substance contained in the upper atmospheric layers of the earth, which is responsible for the reflection of/a part of solar radiations
    D)The amount of insolation reflected back to the space by the top of atmosphere, by clouds and ice-covered areas of the Earth's surface
    Answer: The amount of insolation reflected back to the space by the top of atmosphere, by clouds and ice-covered areas of the Earth's surface
  • Q. What is the difference between the Local time and Greenwich time one degree longitude?
    A)6 minutes
    B)2 minutes
    C)4 minutes
    D)8 minutes
    Answer: 4 minutes

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