What, approximately, are the dimensions of the smallest object on Earth that the astronauts can resolve by eye at 200 km height from the space shuttle? Assume ? = 500 nm light and a pupil diameter D = 0.50 cm. Assume eye fluid has an average n = 1.33
a. 150 m
b. 100 m
c. 250 m
d. 25 m
e. 18 m
e
Physics & Space Science
You might also like to view...
Compared with the spectral lines in the solar spectrum, lines in a supergiant star's spectrum are
a. more narrow. b. broader. c. weaker. d. stronger. e. b & c
Physics & Space Science
An automobile travels due north with a speed of 93 km/h and an acceleration of 1.6 m/s2. All forces considered, the unbalanced force acting on the auto is
a. zero. b. southward. c. northward. d. downward. e. upward.
Physics & Space Science
Pluto is classified by as a
A) full-fledged planet. B) dwarf planet. C) moon.
Physics & Space Science
The Sun's ________ transports material from the Sun's equator to its poles and back to the equator
Fill in the blank(s) with correct word
Physics & Space Science