An astronomical unit is larger than a light-year
a. True
b. False
Indicate whether the statement is true or false
False
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In a nova, there is a white dwarf, an evolving companion star, and a(n) ________ surrounding the white dwarf's equator
Fill in the blank(s) with correct word
Why were telescopes with very large, thin mirrors not built 50 years ago?
What will be an ideal response?
A gas expands as shown in the graph. If the heat taken in during this process is 1.02 × 106 J and 1 atm = 1.01 × 105 N/m2, the change in internal energy of the gas (in J) is how much?
?
?
A. ?2.42 × 106 B. ?1.40 × 106 C. ?1.02 × 106 D. 1.02 × 106 E. 1.40 × 106
Light is incident normally from air onto a liquid film that is on a glass plate. The liquid film is 164 nm thick, and the liquid has index of refraction 1.60
The glass has index of refraction n = 1.50. Calculate the longest visible wavelength (as measured in air) of the light for which there will be totally destructive interference between the rays reflected from the top and bottom surfaces of the film. (Assume that the visible spectrum lies between 400 and 700 nm.)