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4. Communication Satellite

Authored by space usm

Science

1st - 12th Grade

4. Communication Satellite
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10 questions

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1.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Which of the following are electromagnetic waves?

Longitudinal

Ultraviolet

Transverse

Infrared

2.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Wave is a phenomenon or disturbance in which ______ is transferred from one point to another. (Use a comma to separate answers as needed)

3.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Mobile phones communicate by transmitting _____ waves through a network of fixed antennas called base stations.

4.

FILL IN THE BLANK QUESTION

1 min • 1 pt

In order for phones communication to work functionally, it needs ___________ (a), ____________ (b) and ____________(c). (Use a comma to separate answers as needed)

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Below are the functions of satellite communication except...

Receive instructions that are transmitted from the ground station.

Capture and map images of the disaster on Earth

Tracking by transmitting satellite position in space

Collecting and transferring the mission data.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When we communicate online, we often face a problem where there is lag or bad connection. Why does that happen?

i. Low bandwidth or limited bandwidth

ii. High propagation delay

iii. Interferences or external disturbances

iv. Due to overcrowding channel in one satellite communication.

i and ii only

i, ii, and iii

ii, iii, and iv

i, ii, iii, and iv

7.

MULTIPLE SELECT QUESTION

20 sec • 1 pt

How to minimize the delays or interferences that occur in satellite communication?

Relay Satellite

Use high frequency for communication satellite

Use more than one bandwidth

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