What will you see with the following type of optic: Convex lens
A. Image is smaller |
B. Image is the same |
C. Image is larger |
C. Image is Larger
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At which of these Kelvin temperatures would a blackbody radiate mostly at visible wavelengths?
A) 6 K B) 60 K C) 600 K D) 6000 K E) None of these; a blackbody doesn't radiate visible light.
Which statement best describes Phobos and Deimos? a. small satellites, irregular in shape and heavily cratered b. large satellites, spherical in shape with smooth surfaces c. small satellites, spherical in shape with smooth surface
d. one large and one small satellite, irregular in shape with lava flows e. large satellites, irregular in shape and heavily cratered
A 3.0-kg object moving 8.0 m/s in the positive x direction has a one-dimensional elastic collision with an object (mass = M) initially at rest. After the collision the object of unknown mass has a velocity of 6.0 m/s in the positive x direction. What is M?
a. 7.5 kg b. 5.0 kg c. 6.0 kg d. 4.2 kg e. 8.0 kg
How does the diameter of the disk of Milky Way Galaxy compare to its thickness?
A) The diameter and thickness are roughly equal. B) The diameter is about 100 times as great as the thickness. 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.