Which of the following has the most significant (densest) atmosphere?

A. Mercury
B. Venus
C. Mars
D. Pluto
E. Earth's Moon


Ans: B. Venus

Physics & Space Science

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Infall of ________ may explain the higher than expected star formation rates in galaxies

Fill in the blank(s) with correct word

Physics & Space Science

Light for which the electric field vector is restricted to one plane is said to be

a. linearly polarized. b. linearly refracted. c. linearly reflected. d. unpolarized.

Physics & Space Science

A track star in the broad jump goes into the jump at 10 m/s and launches himself at 20° above the horizontal. How long is he in the air before returning to Earth? Note: g = 9.8 m/s2

a. 0.35 s c. 0.70 s b. 0.42 s d. 0.89 s

Physics & Space Science

Exclusion Principle: For the ground state of the hydrogen atom, which of the following numbers represents the correct value of the magnetic quantum number?

A. -1 B. 0 C. 1 D. 2 E. -2

Physics & Space Science