A fish's eye is well-suited to seeing under water, but what can you say about his vision if he is taken out of water?
A) His acuity (sharpness of vision) would be greater.
B) He would suffer from astigmatism.
C) He would be nearsighted.
D) He would be farsighted.
E) His vision would be limited to a cone of half-angle of about 49°.
C
You might also like to view...
If a planet is to be a suitable home for living things, it must:
A) have a star more massive and luminous than the spectral type F5. B) be a part of a binary star system. C) be in a stable orbit around its sun. D) have an orbit smaller than the habitable zone of the star.
AC Generator: The coil of an ac generator has 50 loops and a cross-sectional area of 0.25 m2. What is the maximum emf that can be generated by this generator if it is spinning with an angular speed of 4.0 rad/s in a 2.0-T magnetic field?
A. 50 V B. 100 V C. 200 V D. 400 V
The total amount of power (in watts, for example) that a star radiates into space is called its ________
A) apparent brightness B) flux C) absolute magnitude D) luminosity
The theory that Mercury shrank slightly when it was young has been proposed to explain
a. extended lava plains. b. large craters. c. magnetic field. d. lobate scarps. e. regolith.