light travels faster than sound then why do we hear sound
first and not video in telivision?
- 4 Answers
- 13517 Views
- Infosys, I also Faced
- E-Mail Answers
Answer Posted / monk
the video signal donot move with the speed of light but
with the speed of the carrier wave.
the video is amplitude modulated and audio is frequency
modulated signal and AM takes more time for transmission
than Fm signals.
hence we hear sound first and not the video in the Tv
| Is This Answer Correct ? | 19 Yes | 3 No |
Post New Answer View All Answers
Explain different types of feedback.
i have design dc-dc 3-way isolator circuit,how to test psrr,response time,limit frequency
Explain why open-loop op-amp configurations are not used in linear applications?
Where to use friend function in binary operator overloading . How? explain with an example.
What is normal radiation field out side the reactor building?
Wht is meant by booy strap?
What are octal and hexadecimal systems?
What is automation industries main category and sub category?
Which of the following pairs does-not match?
Define why series inductor and l-section filters cannot be used with half-wave rectifiers?
Why is fet known as a unipolar device?
important questions about sip and ims protocols
State the differences between fir and iir filters?
what is different between three phase balanced and three phase unbalanced load with chart.?
Each Electronics Exchange operates on -48 volt. What is the reason that exchange operates only -48 volt DC?
