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Which of the following statements about microwaves in communication is TRUE?

hard Q9 of 15
General Science - Physics (Basics)
Which of the following statements about microwaves in communication is TRUE?
AMicrowaves require physical cables for transmission
BMicrowaves can penetrate buildings and obstacles easily
CMicrowaves have longer wavelengths than radio waves
DMicrowaves are used in satellite and radar communication
Step-by-Step Solution

  1. Step 1: Recall properties of microwaves

    Microwaves are electromagnetic waves used in satellite communication, radar, and point-to-point communication.

  2. Step 2: Analyze each statement

    Microwaves do not require cables (wireless), they have difficulty penetrating buildings (unlike radio waves), and have shorter wavelengths than radio waves.

  3. Final Answer:

    Microwaves are used in satellite and radar communication → Option D

  4. Quick Check:

    Microwave use = Satellite and radar communication ✅
Quick Trick: Microwaves = Satellite and radar communication
Common Mistakes:
  • Assuming microwaves penetrate obstacles easily or require cables.
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