Essential of Colour Television – 1 – 1

1. Chroma signal requires :

(a) Envelope detector
(b) Balanced detector
(c) Ratio detector
(d) 
Foster selley detector

ANSWER

EXPLANATION

2. Colour burst is used to :

(a) Boom intensity of colours in the picture tube
(b) Dilute the vivid colours
(c) Synchrononise generation of sub-carrier in the receiver
(d) 
Ensure the correct modulation of colours

ANSWER

EXPLANATION

3. SECAM system was developed in :

(a) France
(b) Japan
(c) Germany
(d) 
India

ANSWER

EXPLANATION

4. Which of the following is used for colour separation in a colour camera :

(a) Colour filter
(b) Image filter
(c) Dichroic mirrors
(d) 
None of these

ANSWER

EXPLANATION

5. Luminance signal is represent by :

(a) G
(b) L
(c) X
(d) 
Y

ANSWER

EXPLANATION

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