Heisenberg's uncertainty principle states that it is impossible to know simultaneously which two properties of a particle?
a. Momentum and energy
b. Position and velocity
c. Position and charge
d. Time and place
b
You might also like to view...
A__________is a quantum of electromagnetic energy that carries an amount of energy that depends inversely on its wavelength
A) wave B) photon C) grating D) fringe
Will Pluto eventually collide with Neptune?
A) no, because Pluto's orbit is completely outside Neptune's orbit B) no, because Pluto's orbit is completely inside Neptune's orbit C) no, because Pluto's orbit never comes anywhere close to Neptune's orbit D) no, because the two planets have an orbital resonance that prevents them from getting close to each other E) Yes, it's likely that they will eventually.
A +5.0-?C point charge is placed at the 0 cm mark of a meter stick and a -4.0-?C charge is placed at the 50 cm mark. What is the net electric field at the 30 cm mark? (k = 1/4??0 = 8.99 × 109 N ? m2/C2)
A) 4.0 × 105 N/C B) 5.0 × 105 N/C C) 9.0 × 105 N/C D) 1.4 × 106 N/C
A column that extends from sea level to the top of the atmosphere contains a certain mass of air. If the column instead contained the same mass of water, its height would be about
A) 3/4 meter. B) 10.3 meters. C) 5.6 kilometers. D) none of the above