The ____ of a telescope is a measure of its ability to show fine detail and depends on the diameter of the objective

a. light-gathering power
b. focal length
c. magnifying power
d. resolving power
e. spherical aberration


D

Physics & Space Science

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X-ray observations of elliptical galaxies reveal large amounts of very hot ________ in their interior

Fill in the blank(s) with correct word

Physics & Space Science

The following three appliances are connected in parallel across an ideal 120-V dc power source: 1200-W toaster, 650-W coffee pot, and 600-W microwave. If all were operated at the same time what total current would they draw from the source?

A) 5.0 A B) 4.0 A C) 20 A D) 10 A

Physics & Space Science

Components: If a vector pointing upward has a positive magnitude, a vector pointing downward has a negative magnitude.

A. True B. False

Physics & Space Science

Calcium carbonate is the major component of each of the following except

a. limestone. b. seashells. c. stalagmites. d. bones.

Physics & Space Science