The light-gathering power of a telescope increases as the size of the objective increases
Indicate whether the statement is true or false
T
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A. Primary B. Subsidiary C. Contextual D. Adaptive
Consider a hydrogen atom and a singly-ionized helium atom. Which atom has the lower ground state energy?
1.hydrogen 2.helium 3.The ground state energy is the same for both.
When energy flows as heat from a hotter object to a colder one:
a. the kinetic energy of microscopic particle motions in the hotter object decreases. b. the kinetic energy of microscopic particle motions in the hotter object increases. c. only thermal energy changes in each object; kinetic energy remains the same. d. it does work on the colder object. e. the kinetic energy of microscopic particle motions in both objects increases.
As ocean currents carry warm water from equatorial regions northward, lands bordering the ocean are warmed. A prime example of such warming is the
A) Doldrums. B) Coriolis force. C) Gulf Stream. D) Horse latitudes.