Application of EM Waves
PHXI15:WAVES

358731 Read the Assertion and Reason carefully to mark the correct options given below:
Assertion :
EM waves used for optical communication have longer wavelengths than that of microwave, employed in Radar technology.
Reason :
Infrared EM waves are more energetic than microwaves, (used in Radar).

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is incorrect but reason is correct.
4 Assertion is correct but Reason is incorrect.
PHXI15:WAVES

358732 Assertion :
It is necessary to use satellite for long distance T.V. transmission.
Reason :
The television signals are low. frequency signals.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.
PHXI15:WAVES

358733 In the line of sight communication maximum separation between two antennas is \(45\;km\). FInd the height of each antenna assuming they are of same height and radius of earth is \(6400\;km\)

1 \(20.65\;m\)
2 \(39.55\;m\)
3 \(18.45\;m\)
4 \(64.39\;m\)
PHXI15:WAVES

358734 Assertion :
The surface (ground) wave propagation is used for radio broadcasting.
Reason :
The surface waves travel directly from transmitting antenna to receiver antenna through atmosphere.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.
PHXI15:WAVES

358735 Assertion :
Satellite for remote sensing.
Reason :
Such satellite shall be in polar orbit.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.
PHXI15:WAVES

358731 Read the Assertion and Reason carefully to mark the correct options given below:
Assertion :
EM waves used for optical communication have longer wavelengths than that of microwave, employed in Radar technology.
Reason :
Infrared EM waves are more energetic than microwaves, (used in Radar).

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is incorrect but reason is correct.
4 Assertion is correct but Reason is incorrect.
PHXI15:WAVES

358732 Assertion :
It is necessary to use satellite for long distance T.V. transmission.
Reason :
The television signals are low. frequency signals.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.
PHXI15:WAVES

358733 In the line of sight communication maximum separation between two antennas is \(45\;km\). FInd the height of each antenna assuming they are of same height and radius of earth is \(6400\;km\)

1 \(20.65\;m\)
2 \(39.55\;m\)
3 \(18.45\;m\)
4 \(64.39\;m\)
PHXI15:WAVES

358734 Assertion :
The surface (ground) wave propagation is used for radio broadcasting.
Reason :
The surface waves travel directly from transmitting antenna to receiver antenna through atmosphere.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.
PHXI15:WAVES

358735 Assertion :
Satellite for remote sensing.
Reason :
Such satellite shall be in polar orbit.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.
PHXI15:WAVES

358731 Read the Assertion and Reason carefully to mark the correct options given below:
Assertion :
EM waves used for optical communication have longer wavelengths than that of microwave, employed in Radar technology.
Reason :
Infrared EM waves are more energetic than microwaves, (used in Radar).

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is incorrect but reason is correct.
4 Assertion is correct but Reason is incorrect.
PHXI15:WAVES

358732 Assertion :
It is necessary to use satellite for long distance T.V. transmission.
Reason :
The television signals are low. frequency signals.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.
PHXI15:WAVES

358733 In the line of sight communication maximum separation between two antennas is \(45\;km\). FInd the height of each antenna assuming they are of same height and radius of earth is \(6400\;km\)

1 \(20.65\;m\)
2 \(39.55\;m\)
3 \(18.45\;m\)
4 \(64.39\;m\)
PHXI15:WAVES

358734 Assertion :
The surface (ground) wave propagation is used for radio broadcasting.
Reason :
The surface waves travel directly from transmitting antenna to receiver antenna through atmosphere.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.
PHXI15:WAVES

358735 Assertion :
Satellite for remote sensing.
Reason :
Such satellite shall be in polar orbit.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.
PHXI15:WAVES

358731 Read the Assertion and Reason carefully to mark the correct options given below:
Assertion :
EM waves used for optical communication have longer wavelengths than that of microwave, employed in Radar technology.
Reason :
Infrared EM waves are more energetic than microwaves, (used in Radar).

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is incorrect but reason is correct.
4 Assertion is correct but Reason is incorrect.
PHXI15:WAVES

358732 Assertion :
It is necessary to use satellite for long distance T.V. transmission.
Reason :
The television signals are low. frequency signals.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.
PHXI15:WAVES

358733 In the line of sight communication maximum separation between two antennas is \(45\;km\). FInd the height of each antenna assuming they are of same height and radius of earth is \(6400\;km\)

1 \(20.65\;m\)
2 \(39.55\;m\)
3 \(18.45\;m\)
4 \(64.39\;m\)
PHXI15:WAVES

358734 Assertion :
The surface (ground) wave propagation is used for radio broadcasting.
Reason :
The surface waves travel directly from transmitting antenna to receiver antenna through atmosphere.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.
PHXI15:WAVES

358735 Assertion :
Satellite for remote sensing.
Reason :
Such satellite shall be in polar orbit.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.
PHXI15:WAVES

358731 Read the Assertion and Reason carefully to mark the correct options given below:
Assertion :
EM waves used for optical communication have longer wavelengths than that of microwave, employed in Radar technology.
Reason :
Infrared EM waves are more energetic than microwaves, (used in Radar).

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is incorrect but reason is correct.
4 Assertion is correct but Reason is incorrect.
PHXI15:WAVES

358732 Assertion :
It is necessary to use satellite for long distance T.V. transmission.
Reason :
The television signals are low. frequency signals.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.
PHXI15:WAVES

358733 In the line of sight communication maximum separation between two antennas is \(45\;km\). FInd the height of each antenna assuming they are of same height and radius of earth is \(6400\;km\)

1 \(20.65\;m\)
2 \(39.55\;m\)
3 \(18.45\;m\)
4 \(64.39\;m\)
PHXI15:WAVES

358734 Assertion :
The surface (ground) wave propagation is used for radio broadcasting.
Reason :
The surface waves travel directly from transmitting antenna to receiver antenna through atmosphere.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.
PHXI15:WAVES

358735 Assertion :
Satellite for remote sensing.
Reason :
Such satellite shall be in polar orbit.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.