ENS 243: Introduction to Remote Sensing
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Questions and Answers

What does the tone of an object or its spectral signature primarily describe?

  • The shape of the object
  • The top color of the object (correct)
  • The roughness of the object
  • The size of the object

What can changes in water tone typically signal?

  • The direction of the water flow
  • The depth and quality of the water (correct)
  • The distance to the water source
  • The speed of the water flow

Which of the following features is usually characterized by a light tone?

  • Deep water bodies
  • Rough forest canopy
  • Healthy and dense vegetation
  • Bare soil or areas (correct)

What does the texture of an image feature represent?

<p>The degree of roughness (A)</p> Signup and view all the answers

What is characterized by a mottled tone with abrupt changes in grey levels in a small area?

<p>Rough textures (D)</p> Signup and view all the answers

What determines the overall visual smoothness or coarseness of image features?

<p>Texture (B)</p> Signup and view all the answers

What is the primary function of shadows in aerial photographs?

<p>To determine the height of objects (A)</p> Signup and view all the answers

What is the term used to describe the presence of certain features in relation to others?

<p>Association (C)</p> Signup and view all the answers

What can be used to determine the height of objects in aerial photographs?

<p>Shadows (A)</p> Signup and view all the answers

What is an example of a feature that is usually characterized by a dark tone?

<p>Healthy and dense vegetation (A)</p> Signup and view all the answers

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