Reflection of a point about X-axis, followed by a counter-clockwise rotation of $90 °$ , is equivalent to reflection about the line:

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Important Questions on Computer Graphics

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Objective Computer Awareness>Chapter 13 - Computer Graphics>Computer Graphics>Q 46

The refresh rate below which a picture flickers are:

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Objective Computer Awareness>Chapter 13 - Computer Graphics>Computer Graphics>Q 47

In multiple transformations, which of the following are commutative?

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Objective Computer Awareness>Chapter 13 - Computer Graphics>Computer Graphics>Q 48

All the following hidden surface algorithms employ image space approach except:

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Objective Computer Awareness>Chapter 13 - Computer Graphics>Computer Graphics>Q 49

The entire graph of the function

f (x) = x^{2} + kx - X + 9

is strictly above the X-axis if and only if:

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Objective Computer Awareness>Chapter 13 - Computer Graphics>Computer Graphics>Q 50

The point (4, 1) undergoes the following 3 transformations successively.
I. Reflection about the line y=x.
II. Translation through a distance of 2 units along the positive x-axis.
III. Rotation through an angle of $π / 4$ about the origin in the counter-clockwise direction.
The final position of the point will be:

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Objective Computer Awareness>Chapter 13 - Computer Graphics>Computer Graphics>Q 51

Which of the following curves are symmetric about the line