Q. A balloon filled with hydrogen will
✅ Correct Answer: (B)
Reach a particular height and remain floating
Explanation: A balloon filled with the hydrogen stops rising after it has attained a certain height in the sky. This is because as height increases, the density of air decreases resulting in a decrease of buoyant force.
Explanation by: Team MCQ Buddy
A balloon filled with the hydrogen stops rising after it has attained a certain height in the sky. This is because as height increases, the density of air decreases resulting in a decrease of buoyant force.