Wave Characteristics: A cordless phone operates at 900 MHz. What is the wavelength of the electromagnetic wave used by this phone? (c = 3.0 × 108 m/s)
Fill in the blank(s) with the appropriate word(s).
0.33 m
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During the _______________ phase, sunlight illuminates the far side of the Moon, and the side you see is in darkness
Fill in the blank(s) with correct word
A photon hits an electron, and an antiproton is created. Some uncharged particles must have left the collision. These may be
a. neutron and neutrino. b. neutron and antineutrino. c. photon and neutrino. d. photon and antineutrino.
Quantum mechanics has accurately described the regularities of the periodic table by assigning "quantum" numbers to predict the allowed energy levels. The true statement about quantum numbers is that
A. no two electrons in the same atom can have the same set of quantum numbers. B. there are never more than 8 different sets of quantum numbers in an atom. C. they describe the position and charge of the electrons in the atoms. D. no electrons in the world can ever have the same set of quantum numbers.
In the water flow analogy with an electric circuit the pressure in the fluid circuit is analogous to ________ in the electric circuit.
Fill in the blank(s) with the appropriate word(s).