A balloon filled with helium gas rises up into the sky, whereas a balloon filled with krypton gas goes down with a thud. Explain.
Why does a balloon filled with hydrogen gas rise to the ceiling?
1. Explain why a balloon filled with helium gas rises in air. Why does the balloon rise to a particular height above ground and does not rise further ?
Explain briefly why a balloon filled with helium gas rises in air. Why does the balloon rise to a particular height above the ground and does not rise further?