Question

Arrange the following stages in Remote Sensing Data Acquisition in correct sequence
(A). Extraction of the information contents from the data products and conversion of information into various forms
(B). Propagation of reflected/emitted energy through the atmosphere and detection of the reflected/emitted energy by the sensor
(C). Source of energy and transmission of energy from the source to the surface of the earth
(D). Conversion of energy received into photographic/digital form of data
Choose the correct answer from the options given below:

• A. (C), (B), (D), (A).
• B. (C), (A), (B), (D).
• C. (C), (D), (A), (B).
• D. (D), (C), (B), (A).

Hint:

Think of the process like taking a picture: (C) Sun provides light. (B) Light bounces off your friend and enters the camera lens. (D) The camera sensor records the light as a digital image file. (A) You look at the image on your phone to see your friend's face.

Answer 1

The Correct Option is A

Step 1: Core Idea: 
The question seeks the accurate chronological order of events in remote sensing data acquisition and usage. 
 

Step 2: Breakdown: 
The remote sensing process unfolds in a logical sequence from energy source to final information product: 
\[\begin{array}{rl} 1. & \text{(C) Source of energy and transmission...: The process begins with an energy source (e.g., sun, radar) illuminating the Earth's surface.} \\ 2. & \text{(B) Propagation of reflected/emitted energy...: Energy interacts with the surface and is reflected/emitted towards the sensor, traveling through the atmosphere and detected by the sensor (satellite or aircraft).} \\ 3. & \text{(D) Conversion of energy received...: The sensor records the energy and converts it into a usable format, either a photographic image or digital data.} \\ 4. & \text{(A) Extraction of the information contents...: This final stage, data analysis, processes and analyzes the data to extract meaningful information (e.g., land use map, crop health monitoring).} \\ \end{array}\]

The correct sequence is C \(\rightarrow\) B \(\rightarrow\) D \(\rightarrow\) A. 
 

Step 3: Answer: 
The correct sequence is (C), (B), (D), (A).