A__________is a device that separates light by wavelengths to produce a spectrum
A) lens
B) mirror
C) spectrograph
D) interferometer
C
Physics & Space Science
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Two uniform solid spheres have the same mass, but one has twice the radius of the other. The ratio of the larger sphere's moment of inertia to that of the smaller sphere is
A) 4/5. B) 8/5. C) 1/2. D) 2. E) 4.
Physics & Space Science
All of the following are vectors, except
A) mass. B) acceleration. C) displacement. D) velocity. E) force.
Physics & Space Science
An artificial satellite in a low orbit circles the earth every 98 minutes. What is its angular speed in rad/s?
What will be an ideal response?
Physics & Space Science
In an isochoric process, the internal energy of a system decreases by 50J. What is the work done?
A. zero B. +50 J C. -50 J D. none of the above
Physics & Space Science