A quantum of electromagnetic radiation is called a(n)
a. photon.
b. electron.
c. positron.
d. proton.
a
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Consider a particle of mass m and rest mass mo. Which of the following is the correct expression for the kinetic energy of such a particle?
A) mo v2/2 B) m v2/2 C) m c2 - mo c2 D) 1/2(m c2 - mo c2) E) mo c2 + mo v2/2
Laser light sent through a double slit produces an interference pattern on a screen 3.00 m from the slits. If the m = 2 maximum occurs at an angle of 10.7°, at what angle does the m = 8 maximum occur?
a. No m = 8 maximum occurs. c. 56.3° b. 48.0° d. Not enough information is given.
What do we see when white light passes through a cool cloud of gas?
A) visible light B) infrared light C) thermal radiation D) an absorption line spectrum E) an emission line spectrum
What is the correct electronic configuration for the ground state sodium atom, which has 11 electrons?
A) 1s12s23p62s2 B) 1s22s22p63s2 C) 1s12s22p6 D) 1s22s13p62s2 E) 1s22s22p63s1