The length of a telescope is 2.00 m and the focal length of the objective is 2.0 cm. What is the focal length of the eyepiece?

A) 200 cm
B) 202 cm
C) 101 cm
D) 2.0 cm
E) 198 cm


E

Physics & Space Science

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Star A has the peak of its blackbody radiation at lA. Star B has its peak at lB, which is one-third that of lA. If Star A's surface temperature is TA, how does the surface temperature TB of Star B compare?

a. TB = TA/9 c. TB = 9 TA b. TB = 3 TA d. TB = TA/3

Physics & Space Science

When you stand at rest on a pair of bathroom scales, the reading on each scale

A) is half your weight. B) equals your weight. C) add up to equal your weight.

Physics & Space Science

The jovian planets in our solar system are ________

A) Jupiter, Saturn, Uranus, and Neptune B) Mercury, Venus, Earth, and Mars C) Io, Europa, Ganymede, and Callisto D) Pluto and Eris

Physics & Space Science

Seawater has a density of 1,025 at the surface. The bulk modulus of seawater is What is the density of seawater at a depth of 10.00 km?

A. 1074
B. 1230
C. 1574
D. 1764
E. 1973

Physics & Space Science