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Home Q & A Board Science-Related Homework Help Physics Astronomy
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sneakykitti sneakykitti
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6 years ago
A solar or lunar eclipse will occur
 
  a. when the Sun is near the line of nodes of the Moon, and the Moon is new or full.
  b. any time the Moon is new or full.
  c. when the Sun is near the solstice, and the Moon is new or full.
  d. half-way through an eclipse year.
  e. when the Sun is near the equinox, and the Moon is new or full.

Question 2

The neutral hydrogen atom consists of
 
  a. one proton and one neutron.
  b. one proton.
  c. one proton, one neutron, and one electron.
  d. one proton and one electron.
  e. an isotope and an ion.

Question 3

A dime is 1.8 cm in diameter. Earth's Moon is 3.844  1010 cm from Earth and has a diameter of 3.76  108 cm. At what distance from your eye would you have to hold a dime so that it has the same angular diameter as the full Moon?
 
  a. 200 cm
  b. 2 cm
  c. 0.2 cm
  d. 2 AU
  e. 2 LY

Question 4

Absolute zero is
 
  a. zero degrees Celsius.
  b. the temperature at which atoms have no remaining energy from which we can extract heat.
  c. the temperature at which water freezes.
  d. zero degrees Celsius and the temperature at which water freezes.
  e. none of the others.
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kalikali
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6 years ago
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sneakykitti Author
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#2
6 years ago
All are answered correctly
wrote...
#3
6 years ago
Happy to help
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