Q. The incoming short-wave solar radiation is balanced by an equal amount of long-wave radiation from earth going back to space. This is known as ________

Correct Answer

Heat balance of earth

More Questions on Earth

  • Q. The axis of rotation of earth is tilted by 23.5° to the plane of revolution around the sun. The latitude of Mumbai is less than 23.5° whereas the latitude of Delhi is more than 23.5°. Which one of the following statements in this regard is correct?
    A)At Mumbai the sun can come overhead, but it will never do so at Delhi
    B)The sun can come overhead at both these places
    C)The sun will never come overhead at either of these places
    D)At Delhi the sun can come overhead but it will never do so at Mumbai
    Answer: At Mumbai the sun can come overhead, but it will never do so at Delhi
  • Q. In how much time, Earth rotates once on its axis?
    A)23 hours 10 minutes 2 sec
    B)23 hours 30 minutes
    C)23 hours 56 minutes 4.9 sec
    D)24 hours
    Answer: 23 hours 56 minutes 4.9 sec
  • Q. Latitude and longitude both ________
    A)Run parallel to each other
    B)Pass through poles
    C)Run parallel to the equator
    D)Run perpendicular to each other
    Answer: Run perpendicular to each other
  • Q. Which of the following countries are located on the Greenwich Meridian? 1. Algeria 2. Germany 3. Guinea 4. Iceland
    A)1, 2 and 3
    B)1 only
    C)2 only
    D)1, 3 and 4
    Answer: 1 only
  • Q. The position of the sun is annually twice overhead at Singapore because of the ________
    A)Elliptical path of the earth's orbit
    B)Rotation of the earth
    C)Revolution of the earth
    D)Parallelism of inclined axis of the earth
    Answer: Parallelism of inclined axis of the earth
  • Q. Which of the following phenomenon gives an evidence for the spherical shape of the earth?
    A)Lunar eclipse
    B)Solar eclipse
    C)Revolution
    D)Rotation of Earth
    Answer: Revolution
  • 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. 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. What are the imaginary lines encircling the Earth horizontally called?
    A)Isobars
    B)Latitudes
    C)Longitudes
    D)Isotherms
    Answer: Latitudes
  • Q. Which of the following is not an effect produced by rotation of earth?
    A)Winds change their directions
    B)It causes days and nights
    C)All heavenly bodies like sun, moon, planets appear to move from East to West
    D)Poles have days and nights of 6 months duration
    Answer: Poles have days and nights of 6 months duration
  • Q. The Tropic of Cancer does not pass through
    A)Bangladesh
    B)India
    C)Pakistan
    D)Myanmar
    Answer: Pakistan
  • 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. Which of these statements are correct? 1. Prime Meridian passes through Greenwich and is at 0° Longitude. 2. International Date Line, on the map appears as a straight line along 180° Longitude. 3. While crossing International Date Line from east to west, one gains a day. 4. Tropic of Cancer lies at Latitude.
    A)1 and 3
    B)1, 2, 3 and 4
    C)1, 2 and 4
    D)1 and 4
    Answer: 1 and 4
  • Q. At neap tide: 1. the sun and moon exert their force at right angles 2. the tidal amplitude is high 3. the low tides are very low
    A)1 and 2
    B)1
    C)2 and 3
    D)1, 2 and 3
    Answer: 1
  • Q. ________ is the time taken by the Earth to return to a given point in its orbit with reference to a fixed star.
    A)Solar year
    B)Lunar year
    C)Sidereal year
    D)Tropical year
    Answer: Sidereal year
  • Q. If the earth’s direction of rotation is reversed, what would be the IST when it is noon at the International Date Line?
    A)18.30 hrs
    B)06.30 hrs
    C)05.30 hrs
    D)17.30 hrs
    Answer: 06.30 hrs
  • Q. When it is nine o’clock in London, it will be the same time in ________
    A)Latvia
    B)Ghana
    C)Babon
    D)Norway
    Answer: Ghana
  • Q. Magma that reaches earth’s surface and then solidifies is called
    A)Quartz
    B)Granite
    C)Lava
    D)Silicates
    Answer: Lava
  • 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 Equator does not pass through which of the following?
    A)Indonesia
    B)Kenya
    C)Mexico
    D)Brazil
    Answer: Mexico

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