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Question 40

The possibility of photochemical smog formation will be minimum at

Photochemical smog formation requires:

  • Sunlight (UV radiation)
  • Warm temperature
  • NOₓ and hydrocarbons from vehicular emissions
  • Stagnant air conditions

Photochemical smog is minimum in cold conditions with less sunlight. Among the given options:

Srinagar, J&K in January: Very cold (below 0°C), minimal sunlight, low temperatures → least favorable for photochemical smog.

This matches option 1.

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