Topper's Solved these Questions
Similar Questions
Explore conceptually related problems
CHETANA PUBLICATION-ELECTROMAGNETIC WAVES AND COMMUNICATON SYSTEM-EXERCISE
- Explain why is modulation needed.
Text Solution
|
- State the different types of modulation.
Text Solution
|
- What type of modulation is required for television broadcast?
Text Solution
|
- Why does amplitude modulation give noisy reception?
Text Solution
|
- Why are high frequency carrier waves used for transmission of audio si...
Text Solution
|
- The EM wave emitted by theSun and responsible for heating the Earth's ...
Text Solution
|
- Choose the correct options. Earth's atmosphere is rechest in
Text Solution
|
- How does the frequency of a beam of ultraviolet light change when it t...
Text Solution
|
- The direction of EM wave is given by
Text Solution
|
- The maximum distance upto which TV transmission from a TV tower of he...
Text Solution
|
- The waves used by artificial satellites for communication purposes are
Text Solution
|
- If a TV telecast isto cover a radius of 640 km, what should be the hei...
Text Solution
|
- In a communication system, noise is most likely to affect the signal.
Text Solution
|
- For television broadcasting , the frequency employed is normally
Text Solution
|
- A device that converts one form of energy into another form is termed ...
Text Solution
|
- The process of regaining the information from carrier wavesis called.....
Text Solution
|
- The outermost layer of the earth's atmosphere is........
Text Solution
|
- The antenna behaves as resonant circuit only when its length is..........
Text Solution
|
- The difference between the upper and lower frequency limits of the sig...
Text Solution
|
- The layer that adsorbs largest proportion of UV rays is
Text Solution
|