1. Of the following, _________ has the maximum frequency.
A. UV Rays
B. Gamma Rays
C. Microwaves
D. Radio Waves
2. In the Visible spectrum the ______ color has the maximum wavelength.
A. Violet
B. Blue
C. Red
D. Yellow
3. Wavelength and frequency are related as : (c = speed of light)
A. c = wavelength / frequency
B. frequency = wavelength / c
C. wavelength = c * frequency
D. c = wavelength * frequency
4. Electromagnetic waves can be visualized as a
A. sine wave
B. cosine wave
C. tangential wave
D. None of the mentioned
5. How is radiance measured?
A. lumens
B. watts
C. Armstrong
D. hertz
6. Which of the following is used for chest and dental scans?
A. Hard X-Rays
B. Soft X-Rays
C. Radio waves
D. Infrared Rays
7. Which of the following is impractical to measure?
A. Frequency
B. Radiance
C. Luminance
D. Brightness
8. Massless particle containing a certain amount of energy is called
A. Photon
B. Shell
C. Electron
D. None of the mentioned
9. What do you mean by achromatic light?
A. Chromatic light
B. Monochromatic light
C. Infrared light
D. Invisible light
10. Which of the following embodies the achromatic notion of intensity?
A. Luminance
B. Brightness
C. Frequency
D. Radiance
11. How is array operation carried out involving one or more images?
A. array by array
B. pixel by pixel
C. column by column
D. row by row
12. The property indicating that the output of a linear operation due to the sum of two inputs is the same as performing the operation on the inputs individually and then summing the results is called ___________
A. additivity
B. heterogeneity
C. homogeneity
D. None of the Mentioned
13. The property indicating that the output of a linear operation to a constant time as input is the same as the output of operation due to original input multiplied by that constant is called _________
A. additivity
B. heterogeneity
C. homogeneity
D. None of the Mentioned
14. Enhancement of differences between images is based on the principle of ____________
A. Additivity
B. Homogeneity
C. Subtraction
D. None of the Mentioned
15. A commercial use of Image Subtraction is ___________
A. Mask mode radiography
B. MRI scan
C. CT scan
D. None of the Mentioned