861. 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
862. 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 a short wavelength
C. Has a long wavelength
D. Has a low intensity
863. The total energy of an atomic electron is:
A. Less than zero
B. Zero
C. More than zero
D. All of these
864. A hydrogen atom is in its ground state when its orbital electron:
A. Is within the nucleus
B. Has escaped from them
C. Is in its lowest energy level
D. Is stationary
865. The Energy of a quantum state is primarily dependent upon the quantum numbers:
A. N
B. I
C. S
D. M
866. The two electrons in a helium atom:
A. Occupy different shells
B. Occupy different sub-shells
C. Have Opposite Spins
D. Have Parallel spins
867. The spectra of are not missing any expected lines:
A. Hydrogen
B. The Alkali Metals
C. The Inert gases
D. The halogens
868. 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
869. Range of projectile is proportional?
(A) SinΘ
B) Sin2Θ
(C) Sin2Θ
(D) 2SinΘ
870. If the initial velocity of a projectile becomes doubled. The time of flight will be?
A) Double
(B) Same
(C) 3 Times
(D) 4 Times
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