Magnifying Glass With the Image at the Near Point of the Eye: A person with a near point of 25 cm uses a magnifying lens having a focal length of 10 cm. What is the angular magnification of this lens if the person's eyes are focused at his near point?
A. 1.5
B. 2.5
C. 3.5
D. 4.5
Answer: C
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Exclusion Principle: How many 3d electron states can an atom have?
A. 0 B. 4 C. 6 D. 8 E. 10
Given that white dwarf supernovae are such good standard candles, why don't we use them to measure the distance to all galaxies?
A) They are rare events, so we have observed them in only a tiny fraction of all galaxies. B) We cannot see them beyond a distance of about 100 million light-years. C) They can occur only in spiral galaxies, not elliptical galaxies. D) We would, but we don't have enough telescopes.
During the heavy bombardment early in the solar system's history,
a. giant craters were made on the Moon. b. giant craters were made on Mercury. c. giant craters were made on Earth. d. all of the above.
What term describes the process of transformation of the first cell of a new individual into an adult?
a. inheritance b. genetics c. reproduction d. development e. sex