A Young's double-slit apparatus is set up where a screen is positioned 0.80 m from the double slits. If the distance between alternating bright fringes is 0.83 cm, and the light source has a wavelength of 580 nm, what is the separation of the double slits? (1 nm = 10-9 m)
a. 6.0 × 10^-5 m
c. 4.9 × 10^-5 m
b. 2.8 × 10^-5 m
d. 5.6 × 10^-5 m
D
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How can we explain the presence of extrasolar planetary systems with Jovian-sized planets at distances at which we normally find terrestrial planets?
A) they are brown dwarfs that were captured by their parent stars B) these are massive terrestrial planets that formed close to their parent stars C) they are Jovian planets that were spun out from their rapidly spinning parent stars D) the Jovian planets formed farther out and then migrated inward
Multiplying a 2-significant-figure number by a 4-significant-figure number and then dividing the product by a seven-significant-figure number yields a number with how many significant figures?
a. 6/7 b. 1 c. 2 d. 13 e. 8/7
When a gas in a container is squeezed to half its volume at constant temperature, the gas pressure
A) is half. B) doubles. C) quadruples. D) remains the same.
The three principal types of mountain building are fold, volcanic, and ______________
Fill in the blank(s) with correct word