Mary builds a simple refracting telescope using two lenses of focal length 80 cm and 5.0 cm. The respective diameters are 60 mm and 10 mm

How many degrees wide does the moon appear through the telescope if it appears only 1/2 degree wide with the "naked eye"?


8° (16 times larger)

Physics & Space Science

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Describe the Cassini mission to Saturn in 2004-5

What will be an ideal response?

Physics & Space Science

In the equation A = B/C, the A and B are said to be _______________ proportional

a. directly b. inversely c. not d. exactly

Physics & Space Science

If CP for an ideal gas is 35.4 J/mol/K, which of the following is CV for this gas?

a. 12.5 J/mol/K b. 20.8 J/mol/K c. 29.1 J/mol/K d. 27.1 J/mol/K e. 43.4 J/mol/K

Physics & Space Science

as a star becomes a giant, its outer layers are expanding. where does the energy for expanding these layers come from?

What will be an ideal response?

Physics & Space Science