Computer Graphics MCQs with Answers
Practice important Computer Graphics MCQs with answers and explanations.
Chapter: 31
Q1041:
Total internal reflection occurs when the light tries to move from ________.
A. Lower to higher refractive index
B. Higher to lower refractive index
C. Air to glass
D. Diamond to water
Correct Answer:
B
Chapter: 31
Q1042:
The refractive index of diamond is approximately ________.
A. 1.33
B. 1.5
C. 2.24
D. 2.5
Correct Answer:
C
Chapter: 31
Q1043:
Road mirage effect occurs due to ________.
A. Light scattering
B. Reflection from wet surface
C. Air density variations
D. Temperature inversion
Correct Answer:
C
Chapter: 31
Q1044:
In the road mirage, light reflects off the boundary between ________.
A. Hot and cold air
B. Air and water
C. Air and glass
D. Cold and colder air
Correct Answer:
A
Chapter: 31
Q1045:
Which property of light causes a prism to form a rainbow?
A. Reflection
B. Refraction
C. Diffraction
D. Polarization
Correct Answer:
B
Chapter: 31
Q1046:
Shorter wavelength light bends ________ than longer wavelength light.
A. More
B. Less
C. Same
D. Not at all
Correct Answer:
A
Chapter: 31
Q1047:
Refraction depends on the ________ of the light wave.
A. Amplitude
B. Speed
C. Wavelength
D. Frequency
Correct Answer:
C
Chapter: 31
Q1048:
In computer graphics, RGB values correspond to ________.
A. Wavelengths
B. Amplitude
C. Frequency
D. Intensity
Correct Answer:
A
Chapter: 31
Q1049:
The refractive index of a material generally ________ with increasing temperature.
A. Increases
B. Decreases
C. Remains same
D. Doubles
Correct Answer:
B
Chapter: 31
Q1050:
Refraction can cause white light to separate into ________.
A. Shades
B. Colors
C. Black and white
D. Brightness levels
Correct Answer:
B
Chapter: 31
Q1051:
Total internal reflection is utilized in ________.
A. Cameras
B. Optical fibers
C. Telescopes
D. Projectors
Correct Answer:
B
Chapter: 31
Q1052:
In Snell’s law, if the refractive index of the second medium is greater than the first, the light bends ________ the normal.
A. Away from
B. Towards
C. Parallel to
D. Opposite to
Correct Answer:
B
Chapter: 31
Q1053:
The Blinn-Phong model creates highlights that are ________ in shape.
A. Symmetrical
B. Asymmetrical
C. Random
D. Distorted
Correct Answer:
A
Chapter: 31
Q1054:
Reflection from a perfect surface assumes ________ interaction with light.
A. No
B. Some
C. Maximum
D. Random
Correct Answer:
A
Chapter: 31
Q1055:
The change in refractive index with temperature is mostly due to changes in material ________.
A. Pressure
B. Density
C. Color
D. Thickness
Correct Answer:
B
Chapter: 31
Q1056:
Critical angle in diamond-air interface is approximately ________ degrees.
A. 24.4°
B. 45°
C. 90°
D. 60°
Correct Answer:
A
Chapter: 31
Q1057:
Reflection and refraction both occur at the ________.
A. Surface normal
B. Boundary between two media
C. Center of mass
D. Edge of surface
Correct Answer:
B
Chapter: 31
Q1058:
A simple formula for temperature correction of refractive index is based on ________ and ________.
A. Pressure and density
B. Initial temperature and target temperature
C. Speed and direction
D. Reflection and refraction
Correct Answer:
B
Chapter: 32
Q1059:
What is the primary purpose of OpenGL?
A. To manage databases
B. To render 2D and 3D objects into a frame buffer
C. To create audio effects
D. To simulate network traffic
Correct Answer:
B
Chapter: 32
Q1060:
OpenGL was introduced in which year?
A. 1992
B. 1985
C. 2000
D. 1998
Correct Answer:
A