1051. An observer moves past a stationary electron on the earth’s surface .His Instruments measure :
A. Only an electric Field
B. Only a magnetic Field
C. Both Electric and Magnetic Field
D. Neither electric nor magnetic field *
1052. Relative to the original photon, the photon that emerges from a collision with an electron has :
A. More Energy
B. More Momentum
C. Higher Frequency
D. Longer Wavelength *
1053. Modern Physical theories indicate that :
A. All particles exhibit wave behavior
B. Only Moving particles exhibit wave behavior *
C. Only charged particles wave behavior
D. Only Uncharged particles exhibit wave behavior
1054. When a beam of light is used to determine the position of an object , the greatest accuracy is obtained if the light :
A. Is polarized
B. Has short wavelength *
C. Has long wavelength
D. Has a low intensity
1055. The total energy of an atomic electron is :
A. Less than zero
B. Zero
C. More than zero *
D. All of these
1056. A hydrogen atom is in its ground state when its orbital electron:
A. Is within the nucleus
B. Has a escape from them
C. Is in its lowest energy level *
D. Is stationary
1057. The Energy of a quantum states is primarily dependent upon the quantum numbers :
A. N *
B. I
C. S
D. M
1058. The two electrons in a helium atom:
A. Occupy different shell
B. Occupy different sub-shell
C. Have Opposite Spins *
D. Have Parallel spins
1059. The spectra of are not missing any expected lines:
A. Hydrogen *
B. The Alkali Metals
C. The Inert gases
D. The halogens
1060. A molecule whose charge distribution is not perfectly symmetrical is called :
A. A polar Molecule *
B. A non-Polar Molecule
C. An Electrolyte
D. An organic molecule