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The mode of propagation used by short wa...

The mode of propagation used by short wave broadcast services is

A

space waveq

B

sky wave

C

ground wave

D

both and and c

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The correct Answer is:
B
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NCERT FINGERTIPS-COMMUNITCATION SYSTEMS-Propagation Of Electromagnetic Waves
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  6. The maximum line-of -sight distance d(M) between two antennas having h...

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  10. Which of the following modes is used for line of sight

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  15. A transmitting antenna of height 20 m and the receiving antenna of hei...

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  17. By what percentage will the transmission range of a T.V. tower be affe...

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  18. A TV transmission tower has a height of 240 m. Signals broadcast from ...

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  19. A fax message is to be sent from Delhi to washington via a geostationa...

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