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Least count of a theodolite is ________
- a)1 minute
- b)30 minutes
- c)1 degree
- d)20 seconds
Correct answer is option 'D'. Can you explain this answer?
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Least count of a theodolite is ________a)1 minuteb)30 minutesc)1 degr...
Concept
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Theodolites or transits are used to measure horizontal angles.
Various types of theodolites are as follows:
- Vernier theodolite (open face and Vernier equipped instruments)
- Optical theodolite (enclosed with optical readouts with direct digital readouts or micrometre equipped readouts)
- Electronic theodolites (enclosed with electronic readouts)
Least count of Vernier theodolite = 20 seconds
Least count of Electronic theodolite = 1 second
Confusion Point:
Until and unless it is mentioned about electronic theodolite, we should consider the property of Vernier theodolite only.
Most Upvoted Answer
Least count of a theodolite is ________a)1 minuteb)30 minutesc)1 degr...
Theodolite is an instrument used for measuring horizontal and vertical angles. The accuracy of theodolite measurements depends on the least count of the instrument. The least count of a theodolite is defined as the smallest measurement that can be made with the instrument. It is usually expressed in seconds or minutes.
Factors affecting the least count of a theodolite
The least count of a theodolite depends on several factors, including:
1. The design of the instrument: The least count of a theodolite depends on the design of the instrument. The more precise the instrument, the smaller the least count.
2. The quality of the optics: The quality of the optics used in the theodolite also affects the least count. The better the quality of the optics, the smaller the least count.
3. The size of the instrument: The size of the instrument also affects the least count. Larger instruments tend to have smaller least counts.
Least count of a theodolite
The least count of a theodolite is usually expressed in seconds or minutes. The most common least count for a theodolite is 20 seconds. This means that the smallest measurement that can be made with the instrument is 20 seconds of arc.
Conclusion
In conclusion, the least count of a theodolite is the smallest measurement that can be made with the instrument. It depends on several factors, including the design of the instrument, the quality of the optics, and the size of the instrument. The least count of a theodolite is usually expressed in seconds or minutes, and the most common least count for a theodolite is 20 seconds.
Factors affecting the least count of a theodolite
The least count of a theodolite depends on several factors, including:
1. The design of the instrument: The least count of a theodolite depends on the design of the instrument. The more precise the instrument, the smaller the least count.
2. The quality of the optics: The quality of the optics used in the theodolite also affects the least count. The better the quality of the optics, the smaller the least count.
3. The size of the instrument: The size of the instrument also affects the least count. Larger instruments tend to have smaller least counts.
Least count of a theodolite
The least count of a theodolite is usually expressed in seconds or minutes. The most common least count for a theodolite is 20 seconds. This means that the smallest measurement that can be made with the instrument is 20 seconds of arc.
Conclusion
In conclusion, the least count of a theodolite is the smallest measurement that can be made with the instrument. It depends on several factors, including the design of the instrument, the quality of the optics, and the size of the instrument. The least count of a theodolite is usually expressed in seconds or minutes, and the most common least count for a theodolite is 20 seconds.
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Least count of a theodolite is ________a)1 minuteb)30 minutesc)1 degreed)20 secondsCorrect answer is option 'D'. Can you explain this answer?
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