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RAD 106 chp 2
Rad 106
| Question | Answer |
|---|---|
| Express 6849 in exponential form. | 6.849 × 10^3 |
| Which units are considered base quantities? | mass, length, time |
| Which of the following is the SI unit for power? | Joule/second |
| Convert 4/1000 to a fraction. | 0.004 |
| Which of the following states the law of conservation of energy? | Energy may be transformed from one form to another, but it cannot be created or destroyed. |
| Which of the following are special quantities used in radiologic science? | Exposure, dose, effective dose |
| Which of the following is Newton’s first law of motion? | A body at rest will remain at rest and a body in motion will continue in motion with constant velocity unless acted on by an external force. |
| Thermal radiation is the transfer of heat by the emission of ___________________. | infrared radiation |
| Which of the following is Newton’s third law of motion? | For every action, there is an equal and opposite reaction. |
| X-rays have a velocity of 300,000,000 m/s. Express this in exponential form. | 3.0 × 10^8 m/s |
| Which of the following explains the difference between speed and velocity? | One involves acceleration, and the other does not. |
| The SI unit of velocity is _____________________. | meters per second |
| What is the decimal equivalent of the proper fraction 4/1000? | 004 |
| Exposure is measured in units of ___________. | sieverts |
| The transfer of heat by the emission of infrared radiation is ________________. | thermal radiation |
| The first step to expressing a number in scientific notation is to __________________. | write the number in decimal form |
| What heat transfer takes place when you burn your finger by touching a hot iron? | Conduction |
| Mass density should be reported in which units? | Kilograms per cubic meter |
| When you stretch a rubber band, you are storing _________________ energy. | potential |
| Work is the product of ________________ and distance. | force |
| The basic quantities measured in mechanics are ________, _________, and _________. | mass; length; time |
| What is 6080 in exponential form? | 6.080 × 10^3 |
| What heat transfer takes place when water is boiled? | Convection |
| For every action, there is an equal and opposite reaction, this describes which Newton’s law? | Newton's third law |
| What is the decimal equivalent of the improper fraction 289/74? | 3.90 |
| An example of a derived quantity in mechanical physics is a ________. | volume |
| Graphs are typically based on two axes; a ________________ and a ________________. | x-axis; y-axis |
| In radiologic science, all of the following are special quantities, except: | distance |
| What are the two cryogens used in Magnetic resonance imaging with a superconducting magnet? | Liquid helium and liquid nitrogen |
| An object at rest will _________________ if no outside forces are applied. | stay at rest |
Created by:
travis686