13623001
Description
Flashcards by Olivia Stiles, updated more than 1 year ago
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Created by Olivia Stiles
over 7 years ago
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| Question | Answer |
| 1. the production of light by a heated body is called _? | a. incandescence |
| 2. the _ is defined as the minimum energy sufficient to free an electron. | d. work function |
| 3. the science of wave mechanics was proposed by _? | d. erwin schrödinger |
| 4. the shape of an orbital is indicated by the _ quantum number. | d. subshell |
| 5. currently there are _ possible electron shells. | d. seven |
| 6. what particle of the atom's nucleus determines the atom's atomic number? | d. proton |
| 7. a hydraulic device demonstrates _ principle. | d. Pascal's |
| 8. a deformative force per unit cross-sectional area is called _? | c. stress |
| 9. for a simple machine, the ratio of input distance to output distance is _. | a. IMA |
| 10. the time rate of angular displacement is called _? | b. angular velocity |
| 11. the primary colors include all of the following except _. | d. yellow |
| 12. magnetic induction can be measured in any of the following units except _. | c. Wb/N•m |
| 13. the sum of all the changes in potential difference around a circuit is determined by _? | c. Kirchoff's second law |
| 14. a material which readily transmits a current is called a _? | a. conductor |
| 15. the production of charge by the influence of a charged body at a distance is called _? | b. induction |
| 16. quantum theory | g. Planck |
| 17. photon | d. Einstein |
| 18. matter waves | c. de Broglie |
| 19. quantum model of the hydrogen atom | a. Bohr |
| 20. exclusion principle | f. Pauli |
| 21. a blackbody is both an ideal absorber and an ideal radiator. | true |
| 22. energy can be emitted from a body in any multiple of _ quantum. | one (whole) |
| 23. electrons are ejected from a photoemissive surface at any frequency of illumination _ fT. | above |
| 24. all exchanges of energy between light and matter are best explained by treating light as a stream of particles. | true |
| 25. for a given gas, the prominent lines in the line emission spectrum are identical in location to the prominent lines in the line absorption spectrum. | true |
| 26. a _ orbital is two-lobed. | p |
| 27. according to the theory of special relativity, the speed of light _ be exceeded. | cannot |
| 28. objects appear to gain mass as they accelerate with respect to an observers frame of reference. | true |
| 29. energy is _ proportional to mass. | directly |
| 30. calorimetry is the science of measuring the equilibrium temperature of a mixture. | true |
| 31. zero _ is the lowest theoretically attainable temperature. | kelvin |
| 32. in a circuit containing resistances in _, the current is the same at every point in the circuit. | series |
| 33. the shape of a container holding a liquid does not affect the amount of pressure on the bottom. | true |
| 44. the ejection of electrons from a surface exposed to radiation is called the _ effect. | photoelectric |
| 45. the _ effect indicates that x-rays detected at any angle of scattering are most intense at two wavelengths. | Compton |
| 46. until about 5000 k, the frequency at which a blackbody radiates most strongly lies in the _ region of the electromagnetic spectrum. | infrared |
| 47. research on the photoelectric effect found that current rises very little above the _ potential of an object. | saturation |
| 48. to measure the speed of light, Michelson measured the time required for 1/8 rotation of an octagonal _. | mirror |
| 49. in the nineteenth century, it was widely believed that the universe was permeated by an imperceptible medium called _. | ether |
| 50. the fifth tenet of special relativity states that with respect to an observers frame of reference, a moving object will experience both time _ and length contraction. | dilation |
| 51. the speed of light to three significant digits is _ m/s. | 3.00 × 10^8 |
| 52. physics is the study of _ and energy. | matter |
| 53. attraction between two like molecules is called _? | cohesion |
| 54. the value of g to three significant figures is _ m/s^2. | 9.80 |
| 55. a pathway of any projectile is called the projectiles _? | trajectory |
| 56. the product Fr is the definition for _? | torque |
| 57. the amount of heat lost is equal to the amount of heat gained is known as the law of _? | heat exchange |
| 58. a transfer of energy caused by a force operating over a distance is called _? | work |
| 59. the color of light which is most readily scattered is _ light. | blue |
| 60. the only available charge carriers in a solid material are _? | electrons |
| 61. _ law states that the current induced by a change in flux linkage is directed so as to create a magnetic field that opposes the change. | lenz's |
| 62. state the uncertainty principle. | the simultaneous position and momentum of an electron cannot both be known with a high degree of certainty. |
| 63. state the Pauli exclusion principle. | no two electrons within an atom can have the same set of quantum numbers. |
| 64. what is the fundamental assumption of special relativity? | the speed of light is constant. |
| 65. what is the difference between relativity and relativism? | relativity is a scientific theory; whereas relativism is a philosophical theory asserting that morality is relative to the situation. |
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