Communication System Test

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Communication System Test - 24

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Question 1
4 / -1

Assertion The electrical conductivity of earth\'s atmosphere decreases with altitude.
Reason The high energy particles (i.e., γ-rays and cosmic rays) coming from outer space and entering our earth\'s atmosphere cause ionisation of the atoms of the gases present there and pressure of gases decreases with increase in altitude.

A
If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.

B
If both Assertion and Reason are true but Reason is not the correct explanation of the Assertion.

C
If Assertion is true but Reason is false.

D
If the Assertion and Reason both are false.

E
If Assertion is false but Reason is true.
Question 2
4 / -1

Assertion The electromagnetic waves of shorter wavelength can travel longer distances on earth\'s surface than those of longer wavelength.
Reason Shorter the wavelength, larger is the velocity of wave propagation.

A
If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.

B
if both Assertion and Reason are true but Reason is not the correct explanation of the Assertion.

C
If Assertion is true but Reason is false.

D
If the Assertion and Reason both are false.

E
If Assertion is false but Reason is true.
Question 3
4 / -1

Assertion The surface wave propagation is used for medium wave band and for television broadcasting.
Reason The surface waves travel directly from transmitting antenna to receiver antenna through atmosphere.

A
If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.

B
If both Assertion and Reason are true but Reason is not the correct explanation of the Assertion

C
If Assertion is true but Reason is false.

D
If the Assertion and Reason both are false.

E
If Assertion is false but Reason is true.
Question 4
4 / -1

Assertion The television broadcasting becomes weaker with increases distance.
Reason The power transmitted from TV transmitter varies inversely as the distance of the receiver.

A
If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.

B
If both Assertion and Reason are true but Reason is not the correct explanation of the Assertion.

C
If Assertion is true but Reason is false.

D
If the Assertion and Reason both are false.

E
If Assertion is false but Reason is true.
Question 5
4 / -1

Assertion Microwave propagation is better than the sky wave propagation.
Reason Microwaves have frequencies 100 to 300 GHz, which have very good directional properties.

A
If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.

B
If both Assertion and Reason are true but Reason is not the correct explanation of the Assertion.

C
If Assertion is true but Reason is false.

D
If the Assertion and Reason both are false.

E
If Assertion is false but Reason is true.
Question 6
4 / -1

Assertion Satellite is an ideal platform for remote sensing.
Reason Satellite in polar orbit can provide global coverage or continuous coverage of the fixed area in geostationary configuration.

A
If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion

B
If both Assertion and Reason are true but Reason is not the correct explanation of the Assertion.

C
If Assertion is true but Reason is false.

D
If the Assertion and Reason both are false.

E
if Assertion is false but Reason is true.
Question 7
4 / -1

Assertion Fax is a modulating and demodulating device.
Reason It is necessary for exact reproduction of a document.

A
If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.

B
If both Assertion and Reason are true but Reason is not the correct explanation of the Assertion.

C
If Assertion is true but Reason is false.

D
If the Assertion and Reason both are false

E
If Assertion is false but Reason is true.
Question 8
4 / -1

Assertion A dish antenna is highly directional.
Reason This is because a dipole antenna is omni directional.

A
If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.

B
If both Assertion and Reason are true but Reason is not the correct explanation of the Assertion

C
If Assertion is true but Reason is false.

D
If the Assertion and Reason both are false.

E
If Assertion is false but Reason is true.
Question 9
4 / -1

Assertion Microwave communication is preferred over optical communication.
Reason Microwaves provide large number of channels and bandwidths compared to optical signals.

A
If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.

B
If both Assertion and Reason are true but Reason is not the correct explanation of the Assertion.

C
If Assertion is true but Reason is false.

D
If the Assertion and Reason both are false.

E
If Assertion is false but Reason is true.
Question 10
4 / -1

Assertion A portable AM radio set must be kept horizontal to receive the signals properly.
Reason Radio waves are polarised electromagnetic waves.

A
If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.

B
If both Assertion and Reason are true but Reason is not the correct explanation of the Assertion.

C
If Assertion is true but Reason is false.

D
If the Assertion and Reason both are false.

E
If Assertion is false but Reason is true.

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Re-Attempt Weekly Quiz Competition

Communication System Test - 24

Result

Communication System Test - 24

Score

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Rank

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SHARING IS CARING

Question 1

If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.

If both Assertion and Reason are true but Reason is not the correct explanation of the Assertion.

If Assertion is true but Reason is false.

If the Assertion and Reason both are false.

If Assertion is false but Reason is true.

Question 2

If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.

if both Assertion and Reason are true but Reason is not the correct explanation of the Assertion.

If Assertion is true but Reason is false.

If the Assertion and Reason both are false.

If Assertion is false but Reason is true.

Question 3

If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.

If both Assertion and Reason are true but Reason is not the correct explanation of the Assertion

If Assertion is true but Reason is false.

If the Assertion and Reason both are false.

If Assertion is false but Reason is true.

Question 4

If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.

If both Assertion and Reason are true but Reason is not the correct explanation of the Assertion.

If Assertion is true but Reason is false.

If the Assertion and Reason both are false.

If Assertion is false but Reason is true.

Question 5

If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.

If both Assertion and Reason are true but Reason is not the correct explanation of the Assertion.

If Assertion is true but Reason is false.

If the Assertion and Reason both are false.

If Assertion is false but Reason is true.

Question 6

If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion

If both Assertion and Reason are true but Reason is not the correct explanation of the Assertion.

If Assertion is true but Reason is false.

If the Assertion and Reason both are false.

if Assertion is false but Reason is true.

Question 7

If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.

If both Assertion and Reason are true but Reason is not the correct explanation of the Assertion.

If Assertion is true but Reason is false.

If the Assertion and Reason both are false

If Assertion is false but Reason is true.

Question 8

If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.

If both Assertion and Reason are true but Reason is not the correct explanation of the Assertion

If Assertion is true but Reason is false.

If the Assertion and Reason both are false.

If Assertion is false but Reason is true.

Question 9

If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.

If both Assertion and Reason are true but Reason is not the correct explanation of the Assertion.

If Assertion is true but Reason is false.

If the Assertion and Reason both are false.

If Assertion is false but Reason is true.

Question 10

If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.

If both Assertion and Reason are true but Reason is not the correct explanation of the Assertion.

If Assertion is true but Reason is false.

If the Assertion and Reason both are false.

If Assertion is false but Reason is true.

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Question Analysis

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