Oblique and Vertical Aerial Photographs (Grade 10 NSC Matric Geography): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What distinguishes aerial photographs from terrestrial photographs?
What distinguishes aerial photographs from terrestrial photographs?
Camera position: aircraft vs ground level
At what angle is the camera positioned for vertical aerial photographs?
At what angle is the camera positioned for vertical aerial photographs?
90° perpendicular to earth's surface
In which type of oblique photograph is the horizon line visible?
In which type of oblique photograph is the horizon line visible?
High-angle oblique (60° from vertical)
What is a key characteristic of scale in vertical aerial photographs?
What is a key characteristic of scale in vertical aerial photographs?
Uniform scale across entire photograph
Why are oblique photographs unsuitable for precise mapping work?
Why are oblique photographs unsuitable for precise mapping work?
Scale distortion makes measurements unreliable
What advantage do vertical photographs offer for map-making?
What advantage do vertical photographs offer for map-making?
Uniform scale allows accurate measurements
What is the forward overlap percentage for aerial photographs along each flight strip?
What is the forward overlap percentage for aerial photographs along each flight strip?
60% forward overlap
What is the optimal time to take aerial photographs?
What is the optimal time to take aerial photographs?
Between 10 am and 2 pm
What are two overlapping vertical aerial photographs called?
What are two overlapping vertical aerial photographs called?
A stereo pair
How do farmers use aerial photographs?
How do farmers use aerial photographs?
Monitor land-use & identify crop diseases