NEET-2018 Previous Year Paper

NEET 2018

Q. 1 Which of the following statements is “not” true for the halogens?

A. All form monobasic oxyacids

B. Chlorine has the highest electron gain enthalpy

C. All but fluorine show positive oxidation states

D. All are oxidizing agents

 

 

 

COMPUTER GRAPHICS

Section-A

 

1.

(a) What are the application areas of Computer Graphics.

(b)Explain Raster Scan Display System.

2.

(a)Explain these devices:

(i)Joysticks  (ii) Laser Printers   (iii) Scanner   (iv) Track Ball

(b) Explain these techniques:-

(i) Rubber Band technique

(ii) Dragging technique

3.

(a) Explain the concept of Bresenham circle drawing algorithm in detail ?

(b) What are the Beizer cubic curves ?

4.

(a) Write a short note on B-spline curve ?

(b) Explain Digital Differential Analyzer ( DDA ) algo for a line ?

5.

(a) Scale a square ABCD with co ordinate A(0,0) , B(5,0) ,C(5,5) ,D(0,5)  by 2 unit for X-direction and 3 unit for Y-direction.

(b) Explain scaling transformation in co ordinate system with matrix.

6.

(a) Give the difference between Parallel and Perspective Projection.

(b) Write a short note on window to viewport transformation.

 

 

Section-B

7.

(a)Describe Cohen-Sutherland line clipping algorithm ?

(b) Explain Sutherland-Hodgeman Polygon clipping ?

8.

(a) Write short note on:-

(i) Phong Shading

(ii) Ray tracing algorithm

(b) Write short note on :- (any two )

(i) RGB Color Model

(ii) YIQ Color Model

(iii) HSV Color Model

9.

(a) What is MultiMedia System and what are the features and application of MultiMedia ?

(b) What are the various features of SCSI  and MCI user interface ?

10.

(a)Write short note on:- (any two)-

(i) RTF File Format

(ii) JPEG File Format

(iii) MPEG File Format

(b) Explain MIDI and Animation ?

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प्रश्न 2 टेक्सॉन किसे कहते है?

(अ) समान जातियो का समूह (ब) वर्गिकीय हायरहार्की में कोई भी

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A. 8

B. 11

C. 5

D. 7

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Q. 1 The instantaneous values of alternating current and voltages in a circuit are given as i = 1/√2 sin (100 πt) ampere

e =1/√2 sin (100 πt + π/3) volt

The average power in Watts consumed in the circuit is –

A. √3/4

B. 1/2

C. 1/8

D. 1/4

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