The ____________________ of a star can be determined from its color

Fill in the blank(s) with correct word


temperature

Physics & Space Science

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If you could manage to stand on the Sun, you would weigh approximately ________ times more than your weight on Earth.

A. 100 B. 10 C. 30 D. 300,000

Physics & Space Science

A standing wave can occur when

A) two waves overlap. B) a wave reflects upon itself. C) the speed of the wave is zero or near zero. D) the amplitude of a wave exceeds its wavelength.

Physics & Space Science

The value of an object's gravitational potential energy depends on the ______________

Fill in the blank(s) with correct word

Physics & Space Science

An astronomical telescope has an objective lens with focal length 800 mm and produces an angular magnification of 40 when used with only its eyepiece. What is the distance between the objective lens and the eyepiece when this telescope is in use?

1.800 mm 2.820 mm 3.780 mm 4.One cannot find this length until one knows the focal length of the eyepiece.

Physics & Space Science