What is speed of radio waves in free space?(a) 3 x 10^6 m/s(b) 3 x 10^9 m/s(c) 300 x 10^6 m/s(d) 300 x 10^9 m/sThis question was posed to me by my school principal while I was bunking the class.I want to ask this question from Frequency Translation topic in section Modulation of Analog Communications

What is speed of radio waves in free space?(a) 3 x 10^6 m/s(b) 3 x 10^

1.	What is speed of radio waves in free space?(a) 3 x 10^6 m/s(b) 3 x 10^9 m/s(c) 300 x 10^6 m/s(d) 300 x 10^9 m/sThis question was posed to me by my school principal while I was bunking the class.I want to ask this question from Frequency Translation topic in section Modulation of Analog Communications
Answer» Correct choice is (C) 300 x 10^6 m/s Explanation: he speed of radio waves in free SPACE is same as the speed of light which is 3 x 10^8 m/s. It CAL ALSO be written as 300 x 10^6.

Discussion

No Comment Found

Related InterviewSolutions

Which term is used when signals move from one line to another?(a) path switching(b) space switching(c) line switching(d) cross-point switchingI got this question by my school teacher while I was bunking the class.The doubt is from Frequency Division Multiplexing topic in chapter Modulation of Analog Communications
FSK stands for ________(a) Frequency Segregation Keying(b) Frequency Section Keying(c) Frequency Signal Keying(d) Frequency Shift KeyingThis question was posed to me in quiz.This intriguing question comes from Frequency Translation in division Modulation of Analog Communications
When analyzing a transmission line, its inductance and capacitance are considered as _________(a) distributed(b) lumped(c) equal reactances(d) equal impedancesI got this question in my homework.This interesting question is from Frequency Translation topic in section Modulation of Analog Communications
What effect will be seen on the resistance of a wire if we increase the frequency?(a) it will also increase(b) it starts to decrease(c) it will remain same(d) it starts changing periodicallyI had been asked this question by my college professor while I was bunking the class.Origin of the question is Frequency Translation topic in chapter Modulation of Analog Communications
What is speed of radio waves in free space?(a) 3 x 10^6 m/s(b) 3 x 10^9 m/s(c) 300 x 10^6 m/s(d) 300 x 10^9 m/sThis question was posed to me by my school principal while I was bunking the class.I want to ask this question from Frequency Translation topic in section Modulation of Analog Communications
An antenna has “gain” as compared to ________(a) Helical antenna(b) Marconi antenna(c) Vertically polarized radiator(d) Isotropic radiatorI have been asked this question during an online exam.Query is from Frequency Translation topic in section Modulation of Analog Communications
Ground waves are most effective when _________(a) it is above about 20MHZ(b) it is below about 3MHz(c) it is at microwave frequencies(d) usually in the UHF rangeThe question was asked in semester exam.My query is from Frequency Translation topic in chapter Modulation of Analog Communications
The microwave frequency range is considered to start at ________(a) 1 GHz(b) 10 GHz(c) 100 GHz(d) 5 GHzThis question was addressed to me in semester exam.This intriguing question originated from Frequency Translation topic in division Modulation of Analog Communications
What is the approximate reliability of a microwave system?(a) 90%(b) 99%(c) 99.99%(d) 90.99%This question was posed to me in unit test.This question is from Frequency Translation in division Modulation of Analog Communications
TDMA stands for ________(a) Time Division Multiple Access(b) Time Domain Multiple Access(c) Time Division Mutual Access(d) Time Domain Mutual AccessI had been asked this question in a national level competition.Question is taken from Frequency Division Multiplexing in portion Modulation of Analog Communications

Discussion

No Comment Found

Related InterviewSolutions

Reply to Comment