Question: For someone who needs these glasses to achieve their best vision, when reading a book with standard-sized print without wearing the glasses, which behavior are they most likely to adopt?
A. Hold the book much farther from the eyes than a normal reading distance.
B. Hold the book very close to the eyes to see clearly.
C. Make sure to read in a well-lit environment to protect their eyesight.
D. Frequently alternate between using the left eye and the right eye for monocular reading.
Clues:
1. A pair of glasses is held over a paved surface.
2. The glasses cast a shadow on the ground, indicating a bright light source (the sun).
3. The light passing through the lenses is focused into bright spots on the ground.
4. The glasses have clear lenses and red temples.
Answer: A
Category: Physics