- What best describes a burning piece of lava that is shot out of a volcano? C High average kinetic energy of its particles, high kinetic energy for the object. High average kinetic energy of its particles, low kinetic energy for the object. Low average kinetic energy of its particles, low kinetic energy for the object. Low average kinetic energy of its particles, high kinetic energy for the object.
- c. Fill in the blanks in the following paragraph to correctly identify phenomena that help provide evidence for the particle nature of light. (2 points) A(n) __ absorbs energy and then emits electromagnetic radiation based on its __ Classical physics predicted that at a high enough temperature, __ light would be emitted.Instead, white light was emitted, resulting in the ultraviolet __ The photoelectric effect occurs when light shining on a metal creates a(n) __ However, only light of a certain minimum __ causes electrons to flow.Gas atoms excited by an electric current emit bands of colors of light in a(n) __ Each narrow band of light is associated with __ of a specific energy.
- . The resistance in a longer piece of wire is which of these: a. Higher b. Lower C . Unchanged d. Higher , then lower
- 14 According to Ohm's Law when one volt pushes one ampere of current through a conductor , the resistance is: a. Zero b. One ohm c. One watt d. One coulomb
- . Which of the following characteristic does not affect resistance? a Diameter of the conductor b . Temperature of the conductor c. Atomic structure of the conductor d . Direction of current flow in the conductor
