EASY
JEE Advanced
IMPORTANT
Earn 100

The modulating frequency is 5 kHz and the carrier frequency is 100 kHz. What is the bandwidth of AM transmission?

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Important Questions on Basics of Communications

EASY
JEE Advanced
IMPORTANT
Complete Study Pack for Engineering Entrances Objective Physics Vol 2>Chapter 11 - Basics of Communications>Objective Problems [Level 1]>Q 27
In which of the following cases lies the broadcast band of FM?
EASY
JEE Advanced
IMPORTANT
Complete Study Pack for Engineering Entrances Objective Physics Vol 2>Chapter 11 - Basics of Communications>Objective Problems [Level 1]>Q 28
Which of the following is digital modulation technique?
EASY
JEE Advanced
IMPORTANT
Complete Study Pack for Engineering Entrances Objective Physics Vol 2>Chapter 11 - Basics of Communications>Objective Problems [Level 1]>Q 29
What causes fading of the signal strength?
EASY
JEE Advanced
IMPORTANT
Complete Study Pack for Engineering Entrances Objective Physics Vol 2>Chapter 11 - Basics of Communications>Objective Problems [Level 1]>Q 30
Which of the following can be used to generate radio waves?
EASY
JEE Advanced
IMPORTANT
Complete Study Pack for Engineering Entrances Objective Physics Vol 2>Chapter 11 - Basics of Communications>Objective Problems [Level 1]>Q 31
What is the radiowaves signal called, if it propagates from one place to another along the surface of the earth?
EASY
JEE Advanced
IMPORTANT
Complete Study Pack for Engineering Entrances Objective Physics Vol 2>Chapter 11 - Basics of Communications>Objective Problems [Level 1]>Q 32
What are the waves used for long distance transmission called?
EASY
JEE Advanced
IMPORTANT
Complete Study Pack for Engineering Entrances Objective Physics Vol 2>Chapter 11 - Basics of Communications>Objective Problems [Level 1]>Q 33
Which of the following electromagnetic waves are useful for telecommunication?
EASY
JEE Advanced
IMPORTANT
Complete Study Pack for Engineering Entrances Objective Physics Vol 2>Chapter 11 - Basics of Communications>Objective Problems [Level 1]>Q 34
What determines the absorption of radio waves by the atmosphere?