Waec 2023 Physics Question 21

Practice objective / multiple choice question 21 from the 2023 Waec Physics examination. This question covers Physics, Thermodynamics .

Waec 2023 Physics Objective / Multiple Choice 2 Difficulty

Topics: Physics Thermodynamics

Question 21 WAEC • 2023 • PHYSICS • objective

A liquid is left in an open dish. After several days, there is less liquid in the dish. Which of the following statements explains this observation?

A. most energetic molecules leave the surface and return.

Correct Answer B. most energetic molecules leave the surface and escape into the air.

C. least energetic molecules leave the surface and return.

D. least energetic molecules leave the surface and escape into air.

Correct Answer

Correct Option:

most energetic molecules leave the surface and escape into the air.

This is Waec 2023 Physics Question 21. It is one of the objective questions from the 2023 Waec Physics examination.

The question covers Physics, Thermodynamics .

Difficulty level: 2 .

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