RF-EMF_KKM_26-28 MEI 2025

RF-EMF_KKM_26-28 MEI 2025

Professional Development

20 Qs

quiz-placeholder

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RF-EMF_KKM_26-28 MEI 2025

RF-EMF_KKM_26-28 MEI 2025

Assessment

Quiz

Professional Development

Professional Development

Medium

Created by

WCC UTM

Used 3+ times

FREE Resource

20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Which of the following statements about RF-EMF propagation is TRUE? 

RF-EMF travels only in straight lines and cannot be reflected.

RF-EMF exposure is higher the further you are from the antenna. 

RF waves propagate similarly to visible light and follow the inverse square law.

Antennas always emit RF-EMF equally in all directions.

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Why does increasing the number of cellular base stations reduce RF-EMF exposure from mobile phones? 

It allows phones to use higher transmission power.

It increases signal interference and noise.

It shortens the distance to the nearest base station, so phones use lower power. 

It eliminates the need for modulation.

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Satellite TV broadcasting such as Astro contributes significantly to indoor RF-EMF exposure. 

 

TRUE

FALSE

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Beamforming technology in 5G networks helps reduce unnecessary RF-EMF exposure by directing signals toward users. 

TRUE

FALSE

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

EM wave requires a medium to propagate?

TRUE

FALSE

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

EMF radiation originates from

Man-made sources only

Natural sources only

Both man-made and natural sources

Artificial sources only

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Which of the following is NOT an EM wave?

Visible light

Infrared

X-ray

Sound

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