Nearby active galaxies, such as Centaurus A, are likely the mergers between colliding galaxies
Indicate whether the statement is true or false
TRUE
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Define specific heat at constant volume.
What will be an ideal response?
If a rectangular area is rotated in a uniform electric field from the position where the maximum electric flux goes through it to an orientation where only half the flux goes through it, what has been the angle of rotation?
A) 45° B) 26.6° C) 90° D) 30° E) 60°
Most of the extrasolar planetary systems discovered to date are
A) very similar to our own solar system with inner rocky terrestrial planets and outer gaseous Jovian planets B) similar to our solar system in having inner rocky terrestrial planets but different in having no Jovian planets C) identical to our own with the same number and types of planets as our own solar system D) quite different than our own solar system, many with Jovian planets found close to their parent stars
When we say that an electromagnetic field is "quantized," we mean that it
A) is allowed to have only certain particular values of total energy. B) it fills up a region of space. C) it is really made of particles known as electrons. D) it is really made of particles known as photons. E) it vibrates at one particular frequency.