Two charged bodies separated by a distance d exert a repulsive electrical force on each other. The signs of the charges on the two bodies are + and –
a. True
b. False
Indicate whether the statement is true or false
False
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Kinetic energy is proportional to speed
Indicate whether the statement is true or false
Can the temperature of an ideal gas and the internal energy of an ideal gas increase with no energy transfer by heat?
1.No, if there is no energy transfer by heat to an ideal gas, then the internal energy of the gas must stay constant and so must its temperature. 2.No, although the internal energy of the ideal gas may increase with no energy transfer by heat, the temperature of the gas will not change. 3.Yes, the temperature of an ideal gas and the internal energy of an ideal gas can increase with no energy transfer by heat. 4.No, although the temperature of the ideal gas may increase with no energy transfer by heat, the internal energy will not change.
The Paschen series of hydrogen corresponds to electron transitions from higher levels to n = 3 . What is the longest wavelength in that series? (h = 6.63 × 10^-34 J×s. The ground state of hydrogen is at –13.6 eV.)
a. 822 nm c. 1880 nm b. 365 nm d. 1094 nm
The amount of neutrinos measured from Earth were __________
Fill in the blank(s) with the appropriate word(s).