Dez pours water (n = 1.333) into a container made of crown glass (n = 1.52). The light ray in glass incident on the glass-to-liquid boundary makes an angle of 30.0° with the normal. Find the angle of the corresponding refracted ray
a. 19.2°
c. 55.5°
b. 34.8°
d. 27.2°
B
Physics & Space Science
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You observe a star cluster with a main-sequence turnoff point at spectral type G (the same spectral type as the Sun). What is the approximate age of this star cluster?
A) 10,000 years B) 4.6 billion years C) 10 billion years D) 100 billion years E) 10 million years
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The radio waves used to communicate with astronauts in space must be ___________ frequency waves
Fill in the blank(s) with correct word
Physics & Space Science
Centrifugal forces are an apparent reality to observers in a reference frame that is
A) moving at constant velocity. B) an inertial reference frame. C) at rest. D) rotating. E) none of the above
Physics & Space Science
Our Sun will likely die as a Type I supernova in about five billion years
Indicate whether the statement is true or false
Physics & Space Science