MCQs & Quiz Computer Graphics
The point (4, 1) undergoes the following 3 transformations successively.
- Reflection about the line y=x
- Translation through a distance of 2 units along the positive x-axis
- Rotation through an angle of π/4 about the origin in the counter clockwise direction.
The final position of the point will be
Option 1
|
(-1 /√2, 7/√2 ) Correct |
Option 2
|
(1,4) |
Option 3
|
(3/√2,-5/ √2) |
Option 4
|
(3/ √(2,) 5 / √2 ) |
Find the incorrect statement(s)
Option 1
|
A perspective projection produces realistic views. |
Option 2
|
A parallel projection preserves realistic dimensions. |
Option 3
|
A perspective projection preserves realistic dimensions. Correct |
Option 4
|
All of these |
The people of the planet Mars designed a scale for measuring the temperature in which water freezes at 100 units and boils at 250 units. The people of Jupiter designed a scale in which water freezes at 75 units and boils at 300 units. A temperature of 200 units in Mars will measure_____ in Jupiter.
Option 1
|
300 |
Option 2
|
225 Correct |
Option 3
|
250 |
Option 4
|
175 |
The people of the planet Mars designed a scale for measuring the temperature in which water freezes at 100 units and boils at 250 units. The people of Jupiter designed a scale in which water freezes at 75 units and boils at 300 units.
The two scales coincide at
Option 1
|
130 |
Option 2
|
165 |
Option 3
|
150 Correct |
Option 4
|
170 |
Choose the correct statements (s).
Option 1
|
Random-scan monitors draw a picture one line at a time. Correct |
Option 2
|
The components line of a random-scan picture must be refreshed in a particular order. |
Option 3
|
Raster-scan monitors draw a picture one line at a time. |
Option 4
|
Random-scan method is well suited for displaying shading and colour areas. |
The perspective anomaly in which the object behind the centre of projection is projected upside down and backward onto the view plane is called as
Option 1
|
Perspective foreshortening |
Option 2
|
Vanishing view |
Option 3
|
View confusion Correct |
Option 4
|
Topological distortion |
Which statement about beam penetration method for producing color display is/are true?
Option 1
|
it is used with raster-scan monitors. |
Option 2
|
it is used with random-scan monitors. Correct |
Option 3
|
by using beam penetration method a wide range of colors can be obtained. |
Option 4
|
it uses three electron gun, one each for green, blue and red colors. |
X=at2; y=2at, is the parametric equation of a
Option 1
|
circle |
Option 2
|
rectangular hyperbola |
Option 3
|
parabola Correct |
Option 4
|
ellipse |
Oblique projection with an angle of 45 to the horizontal plane is called as
Option 1
|
cabinet projection |
Option 2
|
isometric projection |
Option 3
|
cavalier projection Correct |
Option 4
|
none of the above |
Which of the following curves are symmetric about the line x=y?
Option 1
|
|x|+|y|=9 Correct |
Option 2
|
y= |x| |
Option 3
|
y=x^3 |
Option 4
|
None of these |