Mock Exam - Questions & Answers (Rated 97%) Best Update 2024

Refraction only occurs if there are? A. Normal incidence and different impedance B. Indirect intensity and different propagation speed C. Oblique incidence and different propagation speeds D. Oblique frequency and identical impedance {Ans: C. Oblique incidence and different propagation speeds}The more bits per pixel? A. The better the resolution B. The higher the pixel density C. The more shades of gray D. Higher reliability {Ans: C. The more shades of gray}Which of the following frequency best describes line A? A. Frequency B. PRP C. Period D. Pulse Duration E. Duty Factor F. Amplitude {Ans: D. Duty Factor}Which of the following will result in the greatest number of shades of grey in a digital display? A. Large pixels with many bits/pixels B. Small pixels with few bits/pixels C. Many TV line per frame D. High contrast E. Narrow dynamic range {Ans: A. Large pixels with many bits/pixels}Which of the following has the shallower focus? A. Lowest frequency, largest crystal diameter B. Highest frequency, largest crystal diameter C. Lowest frequency, smallest crystal diameter D. Highest frequency, smallest crystal diameter {Ans: C. Lowest frequency, smallest crystal diameter}❤ All of these decrease temporal resolution except? A. Lower frame rate