You can increase the internal energy of a gas by heating it or by compressing it
Indicate whether the statement is true or false
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C. D. Anderson
A) discovered the positron using a cloud chamber (1932). B) was the first to produce diffraction patterns of electrons in crystals (1927). C) was the first to produce X-ray-like diffraction patterns of electrons passing through thin metal foil (1927). D) predicted the positron from relativistic quantum mechanics (1928). E) set the limits on the probability of measurement accuracy (1927).
Which one of the following is a correct statement for a number of resistors connected in series or parallel?
A) The total resistance in a series circuit decreases as more resistors are added. B) The flow of current is different through resistors connected in a series circuit. C) The voltage is different across resistors connected in a parallel circuit. D) The total resistance in a parallel circuit decreases as more resistors are added. E) None of the above statements is correct.
What is the shortest-wavelength X-ray photon emitted in an X-ray tube subject to 50 kV?
A) 0.025 nm B) 0.25 nm C) 2.5 nm D) 25 nm E) none of the given answers
If the temperature of a wire increases, its resistance
a. increases b. decreases c. does not change d. will increase or decrease depending on the composition e. will change in a way that can not be determined