CBSE  /  Class 11  /  Geography  /  Solar Radiation, Heat Balance and Temperature

  • 1. 
    The sun is vertically overhead at noon on 21st June at

  • the equator
  • 23.5 degree N
  • 23.5 degree S
  • 66.5 degree N

  • 2. 
    The days are longest at

  • 3. 
    This process of vertical heating of the atmosphere is known as ________

  • Psychrometer
  • Convection
  • Evaporation
  • None of the above

  • 4. 
    Differences in pressure on the earth surface causes:

  • Winds
  • Precipitation
  • Hail
  • Seasons

  • 5. 
    ______ are lines joining places having an equal temperature.

  • Isotherms
  • Evaporation
  • Convection
  • Pyrheliometer

  • 6. 
    The heat energy absorbed by a known area in a fixed time is determined with the help of an instrument called

  • Psychrometer
  • Pyrheliometer
  • Thermometric well
  • Any instrument

  • 7. 
    What is Isotherm?

  • The line joining the places of equal temperature
  • The incoming short wave radiation
  • The line joining the places of equal pressure
  • None of the above

  • 8. 
    The earth radiates energy to the atmosphere in:

  • Long wavelengths
  • Radiation
  • Insolation
  • Short wavelengths

  • 9. 
    Maximum insolation is received over the ____________

  • Equator
  • Tropical areas
  • Sub-tropical areas
  • Poles

  • 10. 
    Insolation refers to ________

  • Wind direction
  • Solar radiation
  • Precipitation
  • None of the above
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