MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 5 Mcqs, each offering curated multiple-choice questions to sharpen your Pulp & Paper knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
__________ filters are utilized for purpose, especially with high temperature blackbody radiation, where large amounts of U.V. light (which could cautilize eye and skin damage) are produced. |
| A. | tHeat |
| B. | tUV |
| C. | tGrey body |
| D. | tDye |
| Answer» C. tGrey body | |
| 2. |
Light is modified by filters to achieve certain purposes. The blue filter centred at 457 nm for paper brightness is well known __________ utilized to remove the I.R. energy from blackbody radiation sources. |
| A. | tHeat filters |
| B. | tGrey body radiation |
| C. | tEM radiation |
| D. | tUV filters |
| Answer» B. tGrey body radiation | |
| 3. |
The utilize of __________ gases allows the temperature at which a tungsten light operates to inc.. This gives a whiter distribution of light and inc. the efficiency of the light. __________ lights operate in the temperature range of 2800 3400 K. |
| A. | tMetal |
| B. | tChalcogens |
| C. | tHalogens |
| D. | tNoble gases |
| Answer» D. tNoble gases | |
| 4. |
The energy of the emitted radiation at a given wavelength R (v) was derived by __________ is given as a function of frequency (v), the speed of light in a vacuum (c), temperature (T), and Boltzmann s constant (k). |
| A. | tEinstein |
| B. | tPlanck |
| C. | tBoltzmann |
| D. | tC. V. Raman |
| Answer» C. tBoltzmann | |
| 5. |
A __________ is an object that absorbs all electromagnetic radiation that falls on it. |
| A. | tGrey body |
| B. | tBlack body |
| C. | tRed body |
| D. | tWhite body |
| Answer» C. tRed body | |