A square opening is made in a metal plate. The metal plate is cooled down from room temperature to a final temperature of 100 K. What happens to the size of the square opening as the metal plate cools down?
A. The square opening becomes smaller.
B. The square opening becomes larger.
C. The square opening remains the same size as before.
D. (Not enough information is given.)
Answer:A
A square opening is made in a metal plate. The metal plate is cooled down from room temperature to a final temperature of 100 K. What happens to the size of the square opening as the metal plate cools down?
A. The square opening becomes smaller. B. The square opening becomes larger. C. The square opening remains the same size as before. D. (Not enough information is given.)