Basic Science : Television QUESTIONS AND ANSWERS :: part1 : 11 to 15
Following Basic Science multiple choice objective type questions and answers will help you in many types of 2024 job and other entrance examinations :
11.The photosensitive plate of an Iconoscope is known as |
| mosaic |
| camera |
| grid |
| electron gun |
12.Scanning is |
| the process in which light audio frequency variations are converted into voltage variations |
| the process in which light intensity is converted into variations in potentials |
| done by a beam of positive rays |
| the process in which audio frequency variations are converted into corresponding video frequency variations |
13.In television broadcasting, video signals are produced using |
| an oscillator |
| a microphone |
| a loud speaker |
| an iconoscope |
14.In an iconoscope, in scanning the image, during the blanking period, the grid control is supplied with a |
| low negative potential |
| high negative potential |
| high positive potential |
| low positive potential |
15.In TV transmission, the sound waves are transmitted by |
| phase modulation |
| frequency modulation |
| amplitude modulation |
| amplitude or phase modulation |
More Television QUESTIONS AND ANSWERS available in next pages
-
Health is the greatest gift, contentment is the greatest wealth -Buddha
- TNTET 2021 - Practice
- SSC CGL 2021 - Practice
- TNPSC Group 2A 2021 - Practice
- IIT JEE
- IIT JEE Q&A
- TNPSC Answer Keys
- TNPSC Group 2 Syllabus
-
TNPSC Q&A
- Online Tests - TNPSC
- Online Tests - GK
- IBPS 2020-2021
- Online Tests - Bank
- Online Tests - RRB NTPC
- Online Tests - UGC NET
- Online Tests - TANCET
- Online Aptitude Test
-
Engineering
-
Programming
-
Basic Science
-
Quiz
- Plus Two Question Papers
- SSLC Question Bank
-
Aptitude Tests
-
Logical Reasoning
-
General Knowledge-Hindi
-
Indian History MCQ
-
Indian Geography MCQ
-
Indian Civics MCQ
-
Indian Economics MCQ
-
CTET Biology MCQ
-
CTET Chemistry MCQ
-
CTET Physics Solved MCQ
-
Arithmetic Tests
- Press Release
- FAQ
- Coaching Centres
- TNPSC Group 1 Syllabus
-
TNPSC Group IV Syllabus
- TRB 2017 in English PDF
- TRB 2017 in Tamil PDF
- TET
- TNTET
Trust because you are willing to accept the risk, not because itâs safe or certain
