A telescope is set up in introductory physics lab using a 10 cm lens and a 50 cm lens. Since both lenses are the same diameter it is not evident which one to use as the eyepiece and which one to use as the objective. If one uses the 50 cm lens as the eyepiece, what power results?
a. 
b. 
c. 
d. 
e. one cannot look through the system in this direction
c.
You might also like to view...
A wave on a string has a wavelength of 0.90 m at a frequency of 600 Hz. If a new wave at a frequency of 300 Hz is established in this same string under the same tension, what is the new wavelength?
a. 2.7 m b. 1.8 m c. 0.45 m d. 0.30 m
An intermediate _____________can have a wider region of possible compositions than does an intermediate compound.
Fill in the blank(s) with the appropriate word(s).
An initially uncharged 10-?F capacitor is charged by a 10-V battery through a resistance R. The capacitor reaches a potential difference of 4 V in a period of 3 s after the charging began. Find the value of R
What is an extrasolar planet?
A) a planet that orbits a star that is not our own Sun B) a planet that is larger than the Sun C) a planet that is extra large compared to what we'd expect D) a planet that is considered an "extra," in that it was not needed for the formation of its solar system