The largest optical telescope ever constructed was a refracting telescope
Indicate whether the statement is true or false
F
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A coating is being applied to reduce the reflectivity of a pane of glass to light with a frequency of 5.75 × 1014 Hz that is incident normally on the pane
If the material has an index of refraction of 1.375 and the glass has an index of refraction of 1.537, what is the minimum thickness the coating should have? (c = 3.00 × 108 m/s) A) 60.0 nm B) 80.1 nm C) 65.2 nm D) 145 nm E) 94.9 nm
A cyclic process is carried out on an ideal gas such that it returns to its initial state at the end of a cycle. If the process was carried out on a clockwise sense around the enclosed area, as shown on the p-V diagram in Fig
12-2, then that area represents A) the heat added to the ideal gas. B) the heat that flows from the ideal gas. C) the work done by the ideal gas. D) the work done on the ideal gas.
Significant Figures: A traveler has about $536 in his checking account, about $2107 in his savings account and exactly $7.62 in his wallet. To the greatest precision warranted, how much money does this shopper have?
A. $2651 B. $2650 C. $2650.6 D. $2650.62 E. $2650.620
What happens to the core of a star after it ejects a planetary nebula?
A) It contracts from a protostar to a main-sequence star. B) It becomes a neutron star. C) It becomes a white dwarf. D) It breaks apart in a violent explosion. E) None of the above