An object is placed 10 cm in front of a diverging lens of focal length -15 cm. The image will be located
A. 6.0 cm behind the lens.
B. 0.167 cm in front of the lens.
C. 6.0 cm in front of the lens.
D. 3.0 cm behind the lens.
E. 3.0 cm in front of the lens.
Answer: C
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a. 1. b. 2. c. 3. d. 4. e. 5.
How does the diameter of the disk of the Milky Way Galaxy compare to its thickness?
A) The diameter is about 100 times as great as the thickness. B) The diameter and thickness are roughly equal. C) The diameter is about 10 times as great as the thickness. D) The diameter is about 100,000 times as great as the thickness.
Some type of catastrophe is likely needed to explain the highly tilted rotation axis of Uranus
Indicate whether the statement is true or false
A student has made the statement that the electric flux through one half of a Gaussian surface is always equal to the flux through the other half of the Gaussian surface. This is
A. never true. B. never false. C. true whenever enclosed charge is symmetrically located at a center point, on a center line, or on a centrally placed plane. D. true whenever no charge is enclosed within the Gaussian surface. E. true only when no charge is enclosed within the Gaussian surface.