MEDIUM
12th Odisha Board
IMPORTANT
Earn 100

Why high frequency carrier waves are employed for transmission?

Important Questions on Space Communication

MEDIUM
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 21 - Space Communication>MODEL QUESTIONS>Q 1
Why is e.m. wave so named?
MEDIUM
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 21 - Space Communication>MODEL QUESTIONS>Q 2
What is the evidence in support of the theory that light is e.m. in nature?
MEDIUM
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 21 - Space Communication>MODEL QUESTIONS>Q 3
What should be the length of the antenna for efficient transmission?
MEDIUM
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 21 - Space Communication>MODEL QUESTIONS>Q 4
How does the power radiated by a dipole depend on frequency?
MEDIUM
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 21 - Space Communication>MODEL QUESTIONS>Q 5
Mention two important properties of e.m. wave?
EASY
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 21 - Space Communication>MODEL QUESTIONS>Q 6
Define modulation.
EASY
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 21 - Space Communication>MODEL QUESTIONS>Q 7
Mention the types of modulation.
MEDIUM
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 21 - Space Communication>MODEL QUESTIONS>Q 8
Define 'modulation index' in AM.