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With reference to Laser Communications Relay Demonstration, consider the following statements:
1. It uses infrared light for data transmission.
2. It is launched by NASA
3. It offers higher bandwidth than radio frequency systems.
Which of the above statements are correct?
  • a)
    1 and 3 only
  • b)
    1 and 2 only
  • c)
    2 and 3 only
  • d)
    1, 2 and 3
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
With reference to Laser Communications Relay Demonstration, consider t...
  • NASA (National Aeronautics and Space Administration) has launched its new Laser Communications Relay Demonstration (LCRD). Hence, statement 2 is correct.
    • It is the first-ever laser communications system that will pave the way for future optical communications missions.
  • It uses infrared light and has a shorter wavelength than radio waves. This will help the transmission of more data in a short time. Hence, statement 1 is correct.
  • Further, Optical communications using lasers, will help increase the bandwidth 10 to 100 times more than radio frequency systems. Hence, statement 3 is correct.
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With reference to Laser Communications Relay Demonstration, consider the following statements:1. It uses infrared light for data transmission.2. It is launched by NASA3. It offers higher bandwidth than radio frequency systems.Which of the above statements are correct?a)1 and 3 onlyb)1 and 2 onlyc)2 and 3 onlyd)1, 2 and 3Correct answer is option 'D'. Can you explain this answer?
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