The Sun's core is generating energy in the form of ________.

A. X-rays
B. ultraviolet waves
C. visible light
D. radio waves
E. gamma rays


Answer: E

Physics & Space Science

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Two charges that are separated by one meter exert 1-N forces on each other. If the charges are pushed together so the separation is 25 centimeters, the force on each charge will be

A) 1 N. B) 2 N. C) 4 N. D) 8 N. E) 16 N.

Physics & Space Science

A 120-V rms voltage is applied across a 6.0-?F capacitor. If the frequency of the generator is 60 Hz, what is the rms value of the current in the circuit?

A) 0.17 A B) 0.37 A C) 0.27 A D) 0.47 A E) 0.071 A

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Distinguish between reflection and refraction

Physics & Space Science

Which of the following two stick structures are different conformations of the same molecule?

A) a and c B) b and c C) a and d D) b and d E) none of the above

Physics & Space Science