Term
| Force moves electrons from an area of deficit to an area of excess. (T/F) |
|
Definition
|
|
Term
| Electricity is defined as the flow of electrons. (T/F) |
|
Definition
|
|
Term
| DC current involves the flow of current in 1 direction with fixed polarity. (T/F) |
|
Definition
|
|
Term
| An example of an insulator is metals. (T/F) |
|
Definition
|
|
Term
| Ionization involves the gain or loss of electrons (T/F) |
|
Definition
|
|
Term
| The electrons in a conductor are tightly bound. (T/F) |
|
Definition
|
|
Term
| A fuse increases the current (T/F) |
|
Definition
|
|
Term
| A current of 7 mA is not felt. (T/F) |
|
Definition
|
|
Term
| Resistance is defined as a measure of opposition to current flow. (T/F) |
|
Definition
|
|
Term
| Insulators can conduct when wet. (T/F) |
|
Definition
|
|
Term
| Energy in a photon is directly proportional to the wavelength (T/F) |
|
Definition
|
|
Term
| the definition of wavelength is the measure of distance from peak to peak in the wave. (T/F) |
|
Definition
|
|
Term
| Solution color may result from transmitted light (T/F) |
|
Definition
|
|
Term
| Black light reflects all visible light, while white light absorbs it. (T/F) |
|
Definition
|
|
Term
| Amplitude is defined as the number of waves per second (T/F) |
|
Definition
|
|
Term
| Light emission is one process to determine color (T/F) |
|
Definition
|
|
Term
| To choose the best wavelength, choose one of the highest absorbance and the highest % T for maximum reproducibility. (T/F) |
|
Definition
|
|
Term
| In Beer's Law, the amount of light absorbed is directly proportional to path length of the solution (T/F) |
|
Definition
|
|
Term
| %T is the ratio of transmitted light to incident light (T/F) |
|
Definition
|
|
Term
| Shorter wavelengths are lowest in energy and frequency (T/F) |
|
Definition
|
|
Term
|
Definition
| Physical property responsible for electrical phenomena |
|
|
Term
|
Definition
|
|
Term
|
Definition
| Electrons tightly bound, weak electric field |
|
|
Term
|
Definition
|
|
Term
| Fibrillation might be seen in an electric shock |
|
Definition
|
|
Term
|
Definition
| Opposition to current flow |
|
|
Term
|
Definition
|
|
Term
| what burns out to cut current and protect the analyzer |
|
Definition
|
|
Term
| What is the principle of Ohm’s Law |
|
Definition
| Current in conductor, equal to voltage applied, then divided by its resistance |
|
|
Term
| The series circuit contains |
|
Definition
| Current same in resistances, in one path, with current additive |
|
|
Term
|
Definition
| Work done by voltage and current in the circuit |
|
|
Term
| Polarity in alternating current |
|
Definition
|
|
Term
| What happens in the signal source of the analyzer |
|
Definition
| Energy interacts with sample to determine concentration of analyte |
|
|
Term
| What happens in the detector |
|
Definition
| Changes light to electric signal |
|
|
Term
| Frequency in an electromagnetic wave is |
|
Definition
| Directly proportional to photon energy |
|
|
Term
|
Definition
| Compound absorbs energy from light source and releases energy as it returns to the ground state |
|
|
Term
| high energy and high frequency are found in this wavelength |
|
Definition
|
|
Term
|
Definition
| Determine color of solution |
|
|
Term
| wavelength of highest absorbance and lowest %T is used |
|
Definition
|
|
Term
| The mercury Arc lamp is used for light In this region |
|
Definition
|
|
Term
| This analyzer component disperses light and isolates the proper measuring wavelength |
|
Definition
|
|
Term
| Characteristics of the interference filter monochromator |
|
Definition
| 2 glass layers, with a layer of magnesium fluoride in between |
|
|
Term
| The diffraction grating monochromator has |
|
Definition
| Parallel grooves bending light for better dispersion and increased linearity |
|
|
Term
| Characteristics of the colored glass filter monochromator |
|
Definition
| Transmits red, absorbs other colors |
|
|
Term
| what does the exit slit control |
|
Definition
|
|
Term
|
Definition
| Converts light transmitted through the cuvette to electric signal |
|
|
Term
| The photocell detector is characterized by |
|
Definition
| Photosensitive layer, generates electrons in response to light |
|
|
Term
| the photodiode detector has pn-junction diodes which |
|
Definition
| Produce photocurrent proportional to incident light |
|
|
Term
| The phototube detector responds to light by giving off electrons contains |
|
Definition
| A photosensitive cathode of rubidium or lithium |
|
|
Term
| This part of the analyzer reads A, or concentration |
|
Definition
|
|
