Halos are caused by hexagonal ice crystals in the upper atmosphere

a. True
b. False
Indicate whether the statement is true or false


True

Physics & Space Science

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If luminosity depends on radius and temperature, what does flux depend on? _______________

Fill in the blank(s) with correct word

Physics & Space Science

You're driving down the highway and a bug spatters into your windshield. Which undergoes the greater change in momentum during the time of contact?

A) the bug B) your car C) both the same

Physics & Space Science

The presence of ________ planets orbiting it shows us the Sun belongs to Population I

Fill in the blank(s) with correct word

Physics & Space Science

When you look at a single slit diffraction pattern produced on a screen by light of a single wavelength, you see a bright central maximum and a number of maxima on either side, their intensity decreasing with distance from the central maximum. If the wavelength of the light is increased,

a. the pattern shrinks in size. (central maximum less wide; other maxima in closer to it) b. the pattern increases in size. (central maximum wider; other maxima farther from it) c. it does not affect the size of the pattern. d. the width of the central maximum increases, but the other maxima do not change in position or width. e. the width of the central maximum decreases, but the other maxima do not change in position or width.

Physics & Space Science