In Young's double-slit experiment, light coming from each slit arrives in phase at the first maximum on either side of the central bright fringe
Indicate whether the statement is true or false
TRUE
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In the lab, a relativistic proton has a momentum of 1.00 × 10-19 kg ? m/s and a rest energy of 0.150 nJ. What is the speed of the proton in the lab? (c = 3.00 × 108 m/s, mproton = 1.67 × 10-27 kg)
A) 0.170c B) 0.196c C) 0.911c D) 0.930c E) 0.951c
How many electrons can be found with principal quantum number n = 3 in a suitably heavy atom?
A) 18 B) 6 C) 20 D) 9
How do electromagnetic waves violate the philosophical underpinnings of the "Newtonian universe"?
A) All Newtonian forces are contact forces, whereas electromagnetic forces are exerted at a distance. B) Actually, electromagnetic waves do not violate any aspect of the Newtonian universe. C) The Newtonian principle of conservation of energy is violated by electromagnetic waves. D) The Newtonian universe is made of material particles, whereas electromagnetic waves are not. E) The Newtonian universe is predictable, and electromagnetic waves cause the universe to be unpredictable.
What is the unit of resistance?
a. The volt. b. The coulomb. c. The ohm. d. The ampere. e. The joule.