Define Parallax bar: A parallax bar used to measure difference of two points, consists of a bar…

Define Parallax bar: A parallax bar used to measure difference of two points, consists of a bar which holds a fixed plate of transparent material near the left end and a movable plate to the right end. 8. List the types of EDM instrument : Tellurimeter Geodimeter Distomats 9. What do you mean byCadastral survey : Cadastral means, “Registration concern Land Survey” . It is of one of based on national land survey based on land survey law. 10. Explain Modulation : Amplitude modulation Frequency modulation In amplitude modulation, the carrier wave has constant frequency & the