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प्रश्न
Differentiate between dew and frost.
अंतर स्पष्ट करें
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उत्तर
| Aspect | Dew | Frost |
| Formation Temperature | Dew forms when the temperature falls below the dew point but stays above freezing (0°C). | Frost forms when the temperature falls below the freezing point (0°C). |
| Physical State | Tiny droplets of liquid water on surfaces. | Minute crystals of ice on surfaces. |
| Appearance | Visible as small water droplets on surfaces like leaves, grass, and cars. | Visible as ice crystals or white coating on surfaces. |
| Conditions | Occurs due to the condensation of water vapor on cold surfaces. | Occurs when dew freezes due to very low temperatures. |
| Effect on Plants | Generally harmless or beneficial as moisture. | Often harmful to plants and crops. |
| Seasonal Occurrence | Common in winter when objects cool below the dew point. | Common in very cold winter conditions or frost-prone areas. |
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अध्याय 14: Humidity - SOLVE AND SCORE [पृष्ठ १५६]
