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This set of Digital Image Processing (DIP) Multiple Choice Questions & Answers (MCQs) focuses on Digital Image Processing Set 1

Q1 | Of the following, _________ has the maximum frequency.
  • uv rays
  • gamma rays
  • microwaves
  • radio waves
Q2 | In the Visible spectrum the ______ colour has the maximum wavelength.
  • violet
  • blue
  • red
  • yellow
Q3 | Wavelength and frequency are related as : (c = speed of light)
  • c = wavelength / frequency
  • frequency = wavelength / c
  • wavelength = c * frequency
  • c = wavelength * frequency
Q4 | Electromagnetic waves can be visualised as a
  • sine wave
  • cosine wave
  • tangential wave
  • none of the above
Q5 | How is radiance measured?
  • lumens
  • watts
  • armstrong
  • hertz
Q6 | Which of the following is used for chest and dental scans?
  • hard x-rays
  • soft x-rays
  • radio waves
  • infrared rays
Q7 | Which of the following is impractical to measure?
  • frequency
  • radiance
  • luminance
  • brightness
Q8 | Massless particle containing a certain amount of energy is called
  • photon
  • shell
  • electron
  • none of these
Q9 | What do you mean by achromatic light?
  • chromatic light
  • monochromatic light
  • infrared light
  • invisible light
Q10 | Which of the following embodies the achromatic notion of intensity?
  • luminance
  • brightness
  • frequency
  • radiance
Q11 | Which of the following is a receptor in the retina of human eye?
  • rods
  • cones
  • rods and cones
  • neither rods nor cones
Q12 | How is image formation in the eye different from that in a photographic camera
  • no difference
  • variable focal length
  • varying distance between lens and imaging plane
  • fixed focal length
Q13 | Range of light intensity levels to which the human eye can adapt (in Log of Intensity-mL)
  • 10-6 to 10-4
  • 104 to 106
  • 10-6 to 104
  • 10-5 to 105
Q14 | What is subjective brightness?
  • related to intensity
  • related to brightness
  • related to image perception
  • related to image formation
Q15 | What is brightness adaptation?
  • changing the eye’s overall sensitivity
  • changing the eye’s imaging ability
  • adjusting the focal length
  • transition from scotopic to photopic vision
Q16 | The inner most membrane of the human eye is
  • blind spot
  • sclera
  • choroid
  • retina
Q17 | What is the function of Iris?
  • source of nutrition
  • detect color
  • varies focal length
  • control amount of light
Q18 | ________ serve to a general, overall picture of the field of view.
  • cones
  • rods
  • retina
  • all of the mentioned
Q19 | Ratio of number of rods to the number of cones is _______
  • 1:20
  • 1:2
  • 1:1
  • 1:5
Q20 | The absence of receptors is in the retinal area called _____________
  • lens
  • ciliary body
  • blind spot
  • fovea
Q21 | The most familiar single sensor used for Image Acquisition is
  • microdensitometer
  • photodiode
  • cmos
  • none of the mentioned
Q22 | A geometry consisting of in-line arrangement of sensors for image acquisition
  • a photodiode
  • sensor strips
  • sensor arrays
  • cmos
Q23 | CAT in imaging stands for
  • computer aided telegraphy
  • computer aided tomography
  • computerised axial telegraphy
  • computerised axial tomography
Q24 | The section of the real plane spanned by the coordinates of an image is called the _____________
  • spacial domain
  • coordinate axes
  • plane of symmetry
  • none of the mentioned
Q25 | The difference is intensity between the highest and the lowest intensity levels in an image is ___________
  • noise
  • saturation
  • contrast
  • brightness