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Q1: Atoms of an element that have different
Q2: Two waves,one with amplitude A and the
Q14: Forces between electrons or positrons and nucleons
Q15: If you increase the temperature of a
Q15: For a given grating,it is observed
Q23: The energies due to the electronic excitations
Q35: A radiologist uses a radioactive isotope of
Q44: Particles that have zero spin or integral
Q59: A radioactive atom is traveling through the
Q72: The probability that an energy state in