PHYSICS 10 SCIENCE · 2026–27 · D · Comprehensive answers · QUESTION 10.5 · EM p. 18

Equal amounts of water in a wide, shallow dish and a tall, narrow container are kept at the same temperature. In which container will evaporation occur faster? Explain the reasons scientifically.

پانی کی برابر مقدار چوڑی اتھلی تھالی اور لمبے تنگ برتن میں یکساں درجہ حرارت پر رکھی ہے۔ کس برتن میں تبخیر تیز ہوگی؟ سائنسی وجوہ بیان کریں۔

Solution & explanation

In the wide dish, assuming the same airflow and humidity. A larger exposed surface offers more molecules a chance to escape per second; it does not require a higher water temperature.

Independent study answer. Original textbook ↗ · English-medium printed page 18.