What does 6 × 10^12 times 3 × 10^-9 divided by 2 × 10^-17 equal?
9 × 10^20
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The peak wavelength in the continuum emission spectrum of a body is inversely proportional to its ____________________
Fill in the blank(s) with correct word
How is the presence of space debris accounted for by solar system models?
a. Space debris is left over material from the early solar system that never formed into a planet. b. Space debris was formed by the collision of objects after the planets formed. c. Space debris is material that existed in our region of space before the sun formed. d. Both a and b e. All of the above
The transition between the troposphere and the stratosphere is called the
a. stratopause. b. tropopause. c. mesopause. d. thermopause.
A single slit is opened in an opaque barrier. Light is shone through the slit and the diffraction pattern is observed. If the slit is decreased in size to half its original size, by what factor does the width of the central diffraction maximum change?
A. decreases by a factor four B. Doubles C. Halves D. Increases four times