Computer Graphics MCQ - Graphics Operations

16 Consider the three points, A(3, 6, 4); B(2, 5, 5); C(O, 3, 7) and the view point V(l, 4, 6).
Choose the correct option(s).

The equation of the line joining V and A is given by x = t + 3; y = t + 6; z = 4 - t.
Since B and C satisfy this, all the four points are collinear.
We can find that t = 0 for A, t = -1 for B, t = -2 for V and t = -3 for C.
From these values it is clear that these points lie in the order C, V, B, A.
Hence the answer

17 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

We have to find the temperature that is same in Mars and Jupiter. Put M = J in the equation
(M -100) x 225/150 = J -75 and solve to get 150

18 Which of the following curves are symmetric about the line x = y?

lf the equation of the curve is unaltered, if x is replaced by y and y by x, then the curve will be symmetric about the line x = y.

19 Which of the following points lies on the same side as the origin, with reference to the line 3x + 7y = 2?

If (0, 0) is substituted in the equation, we get 0, which is less than 2. So, any point on the same side as that of the origin, should yield a value less than 2, when substituted in the equation.
Hence the result

20 Which one of the following is not a linear transformation?

A function F(x, y) x (a, b) is linear if F(ax, ay) = aF(x, y) and F(a+x, b+y) = F(a, b)+ F(x, y). The functions given in options (A), (C), (D) satisfy these two conditions but option (B) doesn't

Computer Graphics MCQ - Graphics Operations

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Computer Graphics MCQ - Graphics Operations

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