Light behaves primarily as a wave when it
A) travels from one place to another.
B) interacts with matter.
C) both of these
D) neither of these
Answer: A
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Nuclei with the highest binding energy per nucleon eb have Z most closely equal to what?
A. 2 B. 4 C. 26 D. 60 E. The highest number possible F. Other (specify)
Which of the following statements cannot be tested by science today?
A) Prior to the Planck time, our universe sprouted from another universe. B) Our universe is flat. C) The universe is 14 billion years old. D) The expansion of the universe is now accelerating.
Which statement correctly describes the role of dark matter in galaxy formation?
A) Where baryons collect, dark matter follows. B) Dark matter plays very little role in galaxy formation. C) Where dark matter collects, the baryons follow.
A silicon monoxide (n = 1.45) film of 112-nm thickness is used to coat a glass camera lens (n = 1.56). What wavelength of light in the visible region (390 to 710 nm) will be most efficiently transmitted by this system? (1 nm = 10?9 m)
a. 520 nm b. 768 nm c. 715 nm d. 650 nm e. 455 nm