MCQs of Advance topics (Computer Graphics - 3150712)

Computer Graphics (3150712) MCQs

MCQs of Advance topics

Showing 21 to 30 out of 36 Questions

21.

The intensity of specular reflection depends on the :

(a)	Material properties of the surface
(b)	Angle of incidence
(c)	Specular reflection coefficient
(d)	All of these

22.

Which is the correct equation of specular reflection?

(a)	$I_{s p e c} = K_{s} I_{l} (V + R)^{- n s}$
(b)	$I_{s p e c} = K_{s} I_{l} (V \times R)^{- n s}$
(c)	$I_{s p e c} = K_{s} I_{l} (V \times R)^{n s}$
(d)	$I_{s p e c} = K_{s} I_{l} (V \cdot R)^{n s}$

23.

Identify the correct band of visible light.

(a)	700 nm - 1400 nm
(b)	500 nm - 900 nm
(c)	400 nm - 700 nm
(d)	500 nm - 800 nm

24.

Choose below statement are true or false:
1. Frequency is material dependant.
2. The speed of the light and wavelength is material dependent.

(a)	1. True, 2. True
(b)	1. True, 2. False
(c)	1. False, 2. True
(d)	1. False, 2. False

25.

Frequency reflected back from surface is decide the color we see and this frequency is called as :

(a)	Dominant frequency
(b)	Color frequency
(c)	Hue
(d)	A and C both

26.

_______ is the radiant energy emitted per unit time, per unit solid angle and per unit projected area of the source.

(a)	Dominant frequency
(b)	Intensity
(c)	Hue
(d)	Purity

27.

_________ of the light describes how washed out or how “pure” the color of the light appears.

(a)	Purity
(b)	Saturation
(c)	A and B both
(d)	Dominant frequency

28.

_________ both collectively refers as chromaticity.

(a)	Dominant frequency and purity
(b)	Purity and saturation
(c)	Brightness and purity
(d)	Brightness and hue

29.

If two color source combined to produce white light they are called :

(a)	Supplementary colors
(b)	Complementary colors
(c)	Primary colors
(d)	None of these

30.

Typical color models that are used to describe the combination of light in terms of dominant frequency use three colors to obtain reasonable wide range of colors, called :

(a)	Dominant wavelength
(b)	Chromaticity
(c)	Color gamut
(d)	Saturation triangle

Showing 21 to 30 out of 36 Questions