2023 · Q24
Consider the following statements on 'Fog'.
- 1Fog is simply a cloud that forms close to the ground.
- 2Radiation fog is associated with radiation cooling of the land at night
- 3Advection fog forms when moisture is blown over a cold surface and is chilled by contact.
Which of the statements given above are correct?
General KnowledgeGeography
- A1 and 2 only
- B2 and 3 only
- C1 and 3 only
- D1, 2 and 3
Explanation
Statement 1 is true: fog is essentially a cloud that forms at or close to the ground. Statement 2 is true: radiation fog forms when the land surface cools by radiation at night, chilling the adjacent air to its dew point. Statement 3 is true: advection fog forms when warm moist air is blown over a cold surface and is chilled by contact. All three statements are correct.