A gas heated to millions of degrees would emit
A) mostly radio waves.
B) mostly x-rays.
C) mostly ultraviolet light.
D) an equal amount of all wavelengths of light.
E) no light because it is too hot.
B) mostly x-rays.
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Which of the 4 fundamental forces binds the nucleus together, and which binds the atom [the electron orbits] together?
A) Strong nuclear force binds the nucleus, weak nuclear force binds the atom. B) Strong nuclear force binds the nucleus, electric force binds the atom. C) Weak nuclear force binds the nucleus, strong nuclear force binds the atom. D) Gravity binds the nucleus, electric force binds the atom. E) Electric force binds the nucleus, strong nuclear force binds the atom.
Jobs associated with recycling involve handling garbage, and so are dirtier than most comparably-paid jobs
What will be an ideal response?
A light source radiates 60.0 W of single-wavelength sinusoidal light uniformly in all directions. What is the amplitude of the electric field of this light at a distance of 0.400 m from the bulb?
(?0 = 8.85 × 10-12 C2/N ? m2, ?0 = 4? × 10-7 T ? m/A, c = 3.00 × 108 m/s) A) 162 N/C B) 52.9 N/C C) 212 N/C D) 150 N/C E) 82.1 N/C
Consider the two surfaces shown below. They are both immersed in a uniform vertical electric field. (The tile vectors shown are for a typical tile on each surface.) 
For which surface is the value of 
larger?
A. The horizontal surface. B. The tilted surface. C. The value is the same nonzero number for both. D. The value is zero for both surfaces. E. One cannot compare the values from what is given.