Question: If the ping-pong ball on the right is immediately placed in a −20 °C environment and left undisturbed for 10 minutes, what is its most likely shape?
A. It keeps swelling and becomes larger.
B. It develops an inward dent or collapses.
C. Its shape remains completely unchanged.
D. The surface becomes rough due to frost from condensed water, but the volume stays the same.
Clues:
1. The image on the left shows an orange ping-pong ball with a large inward dent.
2. The image on the right shows the same beaker filled with a clear liquid.
3. In the right image, the ping-pong ball is floating in the liquid and is now spherical, with no visible dent.
4. In the right image, the inner surface of the beaker above the liquid level is covered in condensation, indicating the liquid is hot.
Answer: B
Category: Physics