Q.1
What would happen if the sun’s radiation reaches the earth’s surface without depletion?
  • a) Life would cease to exist
  • b) Life would be more vibrant
  • c) The earth’s average global temperature would become stable
  • d) The average global temperature of earth would decrease
Q.2
Which of the following plays a role in depletion of incoming solar radiation?
  • a) Irradiance of the incoming solar radiation
  • b) Dispersion
  • c) Solar flares
  • d) Nuclear fusion in sun
Q.3
What is the inclination of earth’s axis in degrees?
  • a) 37
  • b) 53
  • c) 23.5
  • d) 10
Q.4
How does the inclination of earth’s axis affect the incoming solar radiation?
  • a) All the solar radiation is concentrated around the equator
  • b) The radiation is distributed along the entire equator
  • c) All radiation is concentrated at the poles
  • d) Solar radiation is non-uniformly distributed throughout the earth’s surface
Q.5
What happens to those sun rays which are not perpendicular to earth’s surface?
  • a) Energy of the solar radiation is spread over a greater area
  • b) Energy of the solar radiation is concentrated on a single spot at the poles
  • c) Energy of the solar radiation is uniformly distributed along the Tropic of Cancer
  • d) Energy of the solar radiation depends on the position of prime meridian
Q.6
When solar radiation is dispersed over a greater area, what happens to the net temperature?
  • a) The net temperature increases
  • b) The net temperature decreases
  • c) The net temperature is not affected
  • d) The net temperature monotonically increases forever
Q.7
Which of the following latitudes is significantly affected due to dispersion of insolation with seasons?
  • a) All latitudes are equally affected
  • b) Temperate zones are significantly affected
  • c) Polar areas
  • d) Tropical areas are significantly affected
Q.8
What is scattering?
  • a) Spreading of solar radiation over large areas
  • b) Absorption of solar radiation by gaseous molecules
  • c) Absorption of outgoing long-wave radiation and re-emitting it back to the earth
  • d) Deflection of some wavelengths in all directions when passed through air
Q.9
When the solar radiation is scatted by suspended particles in air, they act ______ and produce different colours.
  • a) like a prism
  • b) like a rock
  • c) like a mirror
  • d) like a solar concentrator
Q.10
Red sun during sunrise and sunset is an example of ________
  • a) diffraction
  • b) scattering
  • c) interference
  • d) absorption
Q.11
What is reflection?
  • a) Bouncing back some portion of the incident radiation into another medium
  • b) Slowing down of light on entering another medium
  • c) Bouncing back some portion of the incident radiation into the same medium from which it came
  • d) Absorption by particles and re-emission of radiation of different frequencies
Q.12
Which among the following is the best reflector?
  • a) Rock
  • b) Aluminum
  • c) Iron
  • d) Snow
Q.13
Which of the following types of clouds has the highest albedo?
  • a) Stratocumulus
  • b) Altocumulus
  • c) Cirrus
  • d) Cirrocumulus
Q.14
Earth reflects aboutof the incoming radiation.
  • a) True
  • b) False
Q.15
About quarter of the incoming solar radiation is scattered.
  • a) True
  • b) False
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