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  9. Q59

PPSC PCS 2020 · Question 59 of 95

Statements about Terrestrial laser scanning are given below: 1. It is a measurement technique that can acquire millimeter-level of detail from the surrounding area. 2. It allows rapid, automatic, and periodical estimates of many important forest inventory attributes. 3. It measures the surrounding three-dimensional (3D) space. 4. It is a satellite-based technique that ensures precise standard surveys. Which of the above-given statements are true?

Science & Tech

  1. A1,2 and 3Correct
  2. B1,3 and 4
  3. C2,3 and 4
  4. D1,2 and 4

Answer: A. 1,2 and 3

Explanation

Statements 1, 2 and 3 are true: terrestrial laser scanning is a ground-based technique capturing millimetre-level 3D detail, also used for forest inventories.

Source: https://cdn.mindspritesolutions.com/examrace/SPSC/Punjab-PSC/Punjab-PSC-Past-Papers/Punjab-Civil-Service-2020-Official-Paper-1-Part-1.pdf

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