Resolution: The world's largest refracting telescope is operated at the Yerkes Observatory in Wisconsin. It has an objective lens of diameter of 1.02 m. Suppose such an instrument were mounted on a satellite at an elevation of 300 km above the ground and used to map surface details. If the telescope is forming images with light of wavelength 550 nm, what is the minimum separation of two objects on the ground whose separation could be clearly resolved by this lens?
Fill in the blank(s) with the appropriate word(s).
19.7 cm
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Which of the following is not true about a nucleation and growth transformation from a liquid to a solid?
(a) The transformation rate continuously increases with the amount of super-cooling. (b) The transformation rate is equal to 0 at the equilibrium temperature. (c) The transformation rate goes to 0 at temperatures approaching 0 kelvin. (d) The transformation rate reaches a maximum at a temperature between the equilibrium temperature and 0 kelvin.
All the planets revolve around the Sun in the same direction, except for Venus and Uranus
Indicate whether the statement is true or false
The change in entropy of 1.00 kg of water that is heated from 50°C to 100°C is (in cal/K)
a. 516 b. 312 c. 144 d. 946 e. 391
In order to determine the mass of a planet by applying Newton's laws of motion and gravity, the planet must have
A) rings. B) moons. C) a solid surface. D) a known size and distance from Earth. E) planets further from the Sun than itself.