Update

Muft Shiksha™ एक 100% Free Education Portal है 🇮🇳, जिसका उद्देश्य Class 9–12 के हर विद्यार्थी तक High-Quality Education को पूरी तरह मुफ्त पहुँचाना है। 🇮🇳 हम मानते हैं कि अच्छी शिक्षा किसी student की आर्थिक स्थिति पर निर्भर नहीं होनी चाहिए। 🇮🇳 हर विद्यार्थी को वही Quality Study Material, MCQs, Quizzes, Exam Preparation, Concept-Based Learning और Bilingual Support मिलना चाहिए, जो आमतौर पर महंगी Coaching या Premium Platforms में मिलता है। Muft Shiksha™ 🇮🇳 इसी सोच के साथ बनाया गया है

Subjects
0 reads0 ratings0 helpful

Why should the surface temperature reach the dew point for dew formation?

Answer and explanation

Correct answer: Because water vapour can change into liquid droplets in this condition

Direct answer: A. The dew point is the temperature at which air becomes saturated with water vapour for its existing moisture content. When a surface cools to about the dew point, the air touching that surface can no longer hold all its vapour as invisible gas. The excess vapour therefore condenses into liquid droplets on the surface, producing dew. A is correct because it states the actual physical change. B is wrong because reaching the dew point does not make air completely dry; it makes the air saturated. C is wrong because cloud disappearance is not the defining condition for dew. D is wrong because a surface reaching the dew point is generally cool, not necessarily hot. Memory cue: dew point is the “condensation temperature”; do not confuse it with the temperature of warm air.

Related tags

DewDew PointCondensationSaturationForms Of Condensation: DewFrostFogAnd MistForms Of Condensation Dew Frost Fog And MistWater In The AtmosphereGeography

Was this question useful?

No ratings yetWrite a review / Rate this question

Student Reviews

No published reviews yet.

Add Muft Shiksha to your Home Screen

In Safari, tap Share, then Add to Home Screen.