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

If air expands and cools while rising, after reaching which point is condensation likely to begin?

Answer and explanation

Correct answer: Dew-point temperature

Direct answer: C, the dew point. Rising air expands because surrounding pressure decreases, and expansion causes cooling. As the air cools, its relative humidity rises. When its temperature reaches the dew point, the air becomes saturated: the existing water vapour can no longer remain entirely invisible under those conditions, so condensation may begin on suitable condensation nuclei. A is wrong because sea level is a height reference, not a moisture threshold. B is wrong because maximum pressure does not define saturation. D is wrong because wind speed does not determine the starting temperature of condensation. C is correct. Memory cue: cooling to the dew point means “air is full,” so vapour can change into tiny droplets.

Related tags

GeographyRising AirDew PointCondensationHumidityEvaporationAnd CondensationHumidity Evaporation And CondensationWater In The AtmosphereClass 12 Mcq

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.