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Consider the following statements with reference to free-space optical communication (FSO):
Free-space optical communication is an optical communication technology that uses light propagating in free space to wirelessly transmit data for telecommunication.
FSO is a line-of-sight technology.
Infrared Data Association (IrDA) technology is a very simple form of free-space optical communications.
Which of the statements given above are correct?
- a)1 and 2 only
- b)1, 2 and 3
- c)1 and 3 only
- d)2 and 3 only
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
Consider the following statements with reference to free-space optica...
Free-space optical communication (FSO) is an optical communication technology that uses light propagating in free space to wirelessly transmit data for telecommunication or computer networking. "Free-space" means air, outer space, vacuum, or something similar. Hence statement 1 is correct.
FSO is a line-of-sight technology that uses lasers to provide optical bandwidth connections. Currently, FSO is capable of up to 2.5 Gbps of data, voice and video communications through the air, allowing optical connectivity without requiring a fibre-optic cable or securing spectrum licenses. Hence statement 2 is correct.
This contrasts with using solids such as optical fibre cable. FSO communications can provide high data rates in Gbits/s ranges through the atmosphere for ranges from a few hundreds of meters to a few kilometres.
FSO links include the following:
- chip-to-chip communication,
- indoor infrared (IR) or VLC,
- interbuilding communication, and
- free-space laser communications including airborne, spaceborne, and deep space missions.
Free-space point-to-point optical links can be implemented using infrared laser light, although low-data-rate communication over short distances is possible using LEDs, Infrared Data Association (IrDA) technology is a very simple form of free-space optical communications. Hence statement 3 is correct.
There are several transmission windows between 780 nm and 1600 nm wavelength range. These windows are very suitable for FSO operation due to its low attenuation, as well as the availability of high-quality transmitter and detector components.
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Community Answer
Consider the following statements with reference to free-space optica...
The correct answer is option B: 1, 2, and 3.
Explanation:
1. Free-space optical communication (FSO) is an optical communication technology that uses light propagating in free space to wirelessly transmit data for telecommunication.
- FSO is a wireless communication technology that utilizes light to transmit data through the air, without the need for physical cables. It uses lasers or LEDs to transmit signals, and receivers to capture and decode the transmitted data.
2. FSO is a line-of-sight technology.
- Line-of-sight refers to the requirement that there should be a direct unobstructed path between the transmitter and the receiver in FSO communication. This means that there should be no obstacles such as buildings, trees, or mountains in the transmission path.
3. Infrared Data Association (IrDA) technology is a very simple form of free-space optical communications.
- IrDA is a wireless communication standard that uses infrared light for data transmission. It is a simple form of FSO communication that operates in the infrared spectrum. It is commonly used for short-range communication between devices such as laptops, smartphones, and printers.
In summary, all three statements are correct. FSO is an optical communication technology that uses light to wirelessly transmit data, it requires a line-of-sight connection, and IrDA technology is a simple form of FSO communication.
Explanation:
1. Free-space optical communication (FSO) is an optical communication technology that uses light propagating in free space to wirelessly transmit data for telecommunication.
- FSO is a wireless communication technology that utilizes light to transmit data through the air, without the need for physical cables. It uses lasers or LEDs to transmit signals, and receivers to capture and decode the transmitted data.
2. FSO is a line-of-sight technology.
- Line-of-sight refers to the requirement that there should be a direct unobstructed path between the transmitter and the receiver in FSO communication. This means that there should be no obstacles such as buildings, trees, or mountains in the transmission path.
3. Infrared Data Association (IrDA) technology is a very simple form of free-space optical communications.
- IrDA is a wireless communication standard that uses infrared light for data transmission. It is a simple form of FSO communication that operates in the infrared spectrum. It is commonly used for short-range communication between devices such as laptops, smartphones, and printers.
In summary, all three statements are correct. FSO is an optical communication technology that uses light to wirelessly transmit data, it requires a line-of-sight connection, and IrDA technology is a simple form of FSO communication.
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Consider the following statements with reference to free-space optical communication (FSO): Free-space optical communication is an optical communication technology that uses light propagating in free space to wirelessly transmit data for telecommunication. FSO is a line-of-sight technology. Infrared Data Association (IrDA) technology is a very simple form of free-space optical communications. Which of the statements given above are correct?a)1 and 2 onlyb)1, 2 and 3c)1 and 3 onlyd)2 and 3 onlyCorrect answer is option 'B'. Can you explain this answer? for UPSC 2025 is part of UPSC preparation. The Question and answers have been prepared according to the UPSC exam syllabus. Information about Consider the following statements with reference to free-space optical communication (FSO): Free-space optical communication is an optical communication technology that uses light propagating in free space to wirelessly transmit data for telecommunication. FSO is a line-of-sight technology. Infrared Data Association (IrDA) technology is a very simple form of free-space optical communications. Which of the statements given above are correct?a)1 and 2 onlyb)1, 2 and 3c)1 and 3 onlyd)2 and 3 onlyCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for UPSC 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Consider the following statements with reference to free-space optical communication (FSO): Free-space optical communication is an optical communication technology that uses light propagating in free space to wirelessly transmit data for telecommunication. FSO is a line-of-sight technology. Infrared Data Association (IrDA) technology is a very simple form of free-space optical communications. Which of the statements given above are correct?a)1 and 2 onlyb)1, 2 and 3c)1 and 3 onlyd)2 and 3 onlyCorrect answer is option 'B'. Can you explain this answer?.
Consider the following statements with reference to free-space optical communication (FSO): Free-space optical communication is an optical communication technology that uses light propagating in free space to wirelessly transmit data for telecommunication. FSO is a line-of-sight technology. Infrared Data Association (IrDA) technology is a very simple form of free-space optical communications. Which of the statements given above are correct?a)1 and 2 onlyb)1, 2 and 3c)1 and 3 onlyd)2 and 3 onlyCorrect answer is option 'B'. Can you explain this answer? for UPSC 2025 is part of UPSC preparation. The Question and answers have been prepared according to the UPSC exam syllabus. Information about Consider the following statements with reference to free-space optical communication (FSO): Free-space optical communication is an optical communication technology that uses light propagating in free space to wirelessly transmit data for telecommunication. FSO is a line-of-sight technology. Infrared Data Association (IrDA) technology is a very simple form of free-space optical communications. Which of the statements given above are correct?a)1 and 2 onlyb)1, 2 and 3c)1 and 3 onlyd)2 and 3 onlyCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for UPSC 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Consider the following statements with reference to free-space optical communication (FSO): Free-space optical communication is an optical communication technology that uses light propagating in free space to wirelessly transmit data for telecommunication. FSO is a line-of-sight technology. Infrared Data Association (IrDA) technology is a very simple form of free-space optical communications. Which of the statements given above are correct?a)1 and 2 onlyb)1, 2 and 3c)1 and 3 onlyd)2 and 3 onlyCorrect answer is option 'B'. Can you explain this answer?.
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ample number of questions to practice Consider the following statements with reference to free-space optical communication (FSO): Free-space optical communication is an optical communication technology that uses light propagating in free space to wirelessly transmit data for telecommunication. FSO is a line-of-sight technology. Infrared Data Association (IrDA) technology is a very simple form of free-space optical communications. Which of the statements given above are correct?a)1 and 2 onlyb)1, 2 and 3c)1 and 3 onlyd)2 and 3 onlyCorrect answer is option 'B'. Can you explain this answer? tests, examples and also practice UPSC tests.
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