Why are molecular lines more complex than elemental spectral lines?
A) Molecules have two or more atoms.
B) Molecules can vibrate and rotate as well.
C) Molecules are heavier than atoms.
D) Molecules are the basis of life.
E) Most of the universe is made of molecules, not individual atoms.
B
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A glass plate with an index of refraction is 1.57 is immersed in an oil having a refractive index of 1.40. The surface of the glass is inclined at an angle of 54° with the vertical. A horizontal light ray in the glass strikes the interface
What is the angle that the refracted ray, in the oil, makes with the horizontal? A) 11° B) 5.6° C) 8.3° D) 14° E) 17°
The nucleus of an atom is made up of which of the following?
a. electrons and neutrons c. protons, electrons, and neutrons b. protons and neutrons d. electrons and protons
A horizontally-projected beam of protons travelling at 55 km/s travels between two parallel plates separated by 7.4 cm, and 12 cm long, between which there is an electric field of 7.2 V/m upward. If the beam enters the region at a height of 3.7 cm above the lower plate, at what height above the lower plate is the beam when it exits? The proton mass is 
A. 4.4 cm B. 3.0 cm C. 5.1 cm D. 2.3 cm
A closed loop conductor that forms a circle with a radius of is located in a uniform but changing magnetic field
If the maximum emf induced in the loop is what is the maximum rate at which the magnetic field strength is changing if the magnetic field is oriented perpendicular to the plane in which the loop lies? A) 0.40 T/s B) 2.5 T/s C) 0.080 T/s D) 5.0 T/s