A camera with a 20-cm diameter lens is recording images using a filter that allows only light of wavelength 600 nm to pass through
(a) What is the limit on the angular resolution (in microradians) in this case?
(b) What is the diameter of the minimum-sized features that could be resolved on Mars with this camera? The distance to Mars at the time is 9.0 × 107 km.
(a) 3.7 µrad (b) 330 km
You might also like to view...
White-hot sparks from a 4th-of-July-type sparkler that strike your skin have relatively
A) high temperatures. B) few molecules per spark. C) low transfer of energy. D) all of the above E) none of the above
A series RC circuit has a time constant of 0.900 s. The battery has an emf of 24.0 V, and the maximum current in the circuit is 0.500 mA.What is the charge stored in the capacitor 2.00 s after the switch is closed?
a. 401 ?C b. 18.8 ?C c. 108 ?C d. 450 ?C
An example of an action at a distance force is
a. tension. b. weight. c. static friction. d. kinetic friction. e. none of the above
The ozone layer
a. reflects all EM waves. b. reflects high frequency radio waves. c. reflects low frequency radio waves. d. is responsible for the greenhouse effect. e. absorbs ultraviolet light in sunlight.